102900105

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 128

約数和(自身を含む): 240537600

約数和(自身を除く): 137637495

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 27, 33, 35, 45, 55, 57, 63, 77, 95, 99, 105, 133, 135, 165, 171, 189, 209, 231, 285, 297, 315, 385, 399, 495, 513, 521, 627, 665, 693, 855, 945, 1045, 1155, 1197, 1463, 1485, 1563, 1881, 1995, 2079, 2565, 2605, 3135, 3465, 3591, 3647, 4389, 4689, 5643, 5731, 5985, 7315, 7815, 9405, 9899, 10395, 10941, 13167, 14067, 17193, 17955, 18235, 21945, 23445, 28215, 28655, 29697, 32823, 39501, 40117, 49495, 51579, 54705, 65835, 69293, 70335, 85965, 89091, 98469, 108889, 120351, 148485, 154737, 164115, 197505, 200585, 207879, 257895, 267273, 326667, 346465, 361053, 445455, 492345, 544445, 601755, 623637, 762223, 773685, 980001, 1039395, 1083159, 1336365, 1633335, 1805265, 1870911, 2286669, 2940003, 3118185, 3811115, 4900005, 5415795, 6860007, 9354555, 11433345, 14700015, 20580021, 34300035, 102900105]

約数ペア:

[(1, 102900105), (3, 34300035), (5, 20580021), (7, 14700015), (9, 11433345), (11, 9354555), (15, 6860007), (19, 5415795), (21, 4900005), (27, 3811115), (33, 3118185), (35, 2940003), (45, 2286669), (55, 1870911), (57, 1805265), (63, 1633335), (77, 1336365), (95, 1083159), (99, 1039395), (105, 980001), (133, 773685), (135, 762223), (165, 623637), (171, 601755), (189, 544445), (209, 492345), (231, 445455), (285, 361053), (297, 346465), (315, 326667), (385, 267273), (399, 257895), (495, 207879), (513, 200585), (521, 197505), (627, 164115), (665, 154737), (693, 148485), (855, 120351), (945, 108889), (1045, 98469), (1155, 89091), (1197, 85965), (1463, 70335), (1485, 69293), (1563, 65835), (1881, 54705), (1995, 51579), (2079, 49495), (2565, 40117), (2605, 39501), (3135, 32823), (3465, 29697), (3591, 28655), (3647, 28215), (4389, 23445), (4689, 21945), (5643, 18235), (5731, 17955), (5985, 17193), (7315, 14067), (7815, 13167), (9405, 10941), (9899, 10395)]