61985385

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 141004800

約数和(自身を除く): 79019415

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 67, 77, 89, 99, 105, 135, 165, 189, 201, 231, 267, 297, 315, 335, 385, 445, 469, 495, 603, 623, 693, 737, 801, 945, 979, 1005, 1155, 1335, 1407, 1485, 1809, 1869, 2079, 2211, 2345, 2403, 2937, 3015, 3115, 3465, 3685, 4005, 4221, 4895, 5159, 5607, 5963, 6633, 6853, 7035, 8811, 9045, 9345, 10395, 11055, 12015, 12663, 14685, 15477, 16821, 17889, 19899, 20559, 21105, 25795, 26433, 28035, 29815, 33165, 34265, 41741, 44055, 46431, 53667, 61677, 63315, 65593, 77385, 84105, 89445, 99495, 102795, 125223, 132165, 139293, 161001, 185031, 196779, 208705, 232155, 268335, 308385, 327965, 375669, 459151, 590337, 626115, 696465, 805005, 925155, 983895, 1127007, 1377453, 1771011, 1878345, 2295755, 2951685, 4132359, 5635035, 6887265, 8855055, 12397077, 20661795, 61985385]

約数ペア:

[(1, 61985385), (3, 20661795), (5, 12397077), (7, 8855055), (9, 6887265), (11, 5635035), (15, 4132359), (21, 2951685), (27, 2295755), (33, 1878345), (35, 1771011), (45, 1377453), (55, 1127007), (63, 983895), (67, 925155), (77, 805005), (89, 696465), (99, 626115), (105, 590337), (135, 459151), (165, 375669), (189, 327965), (201, 308385), (231, 268335), (267, 232155), (297, 208705), (315, 196779), (335, 185031), (385, 161001), (445, 139293), (469, 132165), (495, 125223), (603, 102795), (623, 99495), (693, 89445), (737, 84105), (801, 77385), (945, 65593), (979, 63315), (1005, 61677), (1155, 53667), (1335, 46431), (1407, 44055), (1485, 41741), (1809, 34265), (1869, 33165), (2079, 29815), (2211, 28035), (2345, 26433), (2403, 25795), (2937, 21105), (3015, 20559), (3115, 19899), (3465, 17889), (3685, 16821), (4005, 15477), (4221, 14685), (4895, 12663), (5159, 12015), (5607, 11055), (5963, 10395), (6633, 9345), (6853, 9045), (7035, 8811)]