12948975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 26404560

約数和(自身を除く): 13455585

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 233, 247, 285, 325, 475, 585, 699, 741, 855, 975, 1165, 1235, 1425, 2097, 2223, 2925, 3029, 3495, 3705, 4275, 4427, 5825, 6175, 9087, 10485, 11115, 13281, 15145, 17475, 18525, 22135, 27261, 39843, 45435, 52425, 55575, 57551, 66405, 75725, 110675, 136305, 172653, 199215, 227175, 287755, 332025, 517959, 681525, 863265, 996075, 1438775, 2589795, 4316325, 12948975]

約数ペア:

[(1, 12948975), (3, 4316325), (5, 2589795), (9, 1438775), (13, 996075), (15, 863265), (19, 681525), (25, 517959), (39, 332025), (45, 287755), (57, 227175), (65, 199215), (75, 172653), (95, 136305), (117, 110675), (171, 75725), (195, 66405), (225, 57551), (233, 55575), (247, 52425), (285, 45435), (325, 39843), (475, 27261), (585, 22135), (699, 18525), (741, 17475), (855, 15145), (975, 13281), (1165, 11115), (1235, 10485), (1425, 9087), (2097, 6175), (2223, 5825), (2925, 4427), (3029, 4275), (3495, 3705)]