28244475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 58805760

約数和(自身を除く): 30561285

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 79, 105, 175, 225, 227, 237, 315, 395, 525, 553, 681, 711, 1135, 1185, 1575, 1589, 1659, 1975, 2043, 2765, 3405, 3555, 4767, 4977, 5675, 5925, 7945, 8295, 10215, 13825, 14301, 17025, 17775, 17933, 23835, 24885, 39725, 41475, 51075, 53799, 71505, 89665, 119175, 124425, 125531, 161397, 268995, 357525, 376593, 448325, 627655, 806985, 1129779, 1344975, 1882965, 3138275, 4034925, 5648895, 9414825, 28244475]

約数ペア:

[(1, 28244475), (3, 9414825), (5, 5648895), (7, 4034925), (9, 3138275), (15, 1882965), (21, 1344975), (25, 1129779), (35, 806985), (45, 627655), (63, 448325), (75, 376593), (79, 357525), (105, 268995), (175, 161397), (225, 125531), (227, 124425), (237, 119175), (315, 89665), (395, 71505), (525, 53799), (553, 51075), (681, 41475), (711, 39725), (1135, 24885), (1185, 23835), (1575, 17933), (1589, 17775), (1659, 17025), (1975, 14301), (2043, 13825), (2765, 10215), (3405, 8295), (3555, 7945), (4767, 5925), (4977, 5675)]