28118475

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1$

素因数の和:578

約数の個数: 96

約数和(自身を含む): 64519680

約数和(自身を除く): 36401205

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 33, 35, 45, 55, 63, 75, 77, 99, 105, 135, 165, 175, 189, 225, 231, 275, 297, 315, 385, 495, 525, 541, 675, 693, 825, 945, 1155, 1485, 1575, 1623, 1925, 2079, 2475, 2705, 3465, 3787, 4725, 4869, 5775, 5951, 7425, 8115, 10395, 11361, 13525, 14607, 17325, 17853, 18935, 24345, 29755, 34083, 40575, 41657, 51975, 53559, 56805, 73035, 89265, 94675, 102249, 121725, 124971, 148775, 160677, 170415, 208285, 267795, 284025, 365175, 374913, 446325, 511245, 624855, 803385, 852075, 1041425, 1124739, 1338975, 1874565, 2556225, 3124275, 4016925, 5623695, 9372825, 28118475]

約数ペア:

[(1, 28118475), (3, 9372825), (5, 5623695), (7, 4016925), (9, 3124275), (11, 2556225), (15, 1874565), (21, 1338975), (25, 1124739), (27, 1041425), (33, 852075), (35, 803385), (45, 624855), (55, 511245), (63, 446325), (75, 374913), (77, 365175), (99, 284025), (105, 267795), (135, 208285), (165, 170415), (175, 160677), (189, 148775), (225, 124971), (231, 121725), (275, 102249), (297, 94675), (315, 89265), (385, 73035), (495, 56805), (525, 53559), (541, 51975), (675, 41657), (693, 40575), (825, 34083), (945, 29755), (1155, 24345), (1485, 18935), (1575, 17853), (1623, 17325), (1925, 14607), (2079, 13525), (2475, 11361), (2705, 10395), (3465, 8115), (3787, 7425), (4725, 5951), (4869, 5775)]