81229125

素因数分解:

$3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 142062336

約数和(自身を除く): 60833211

約数列:

[1, 3, 5, 15, 25, 53, 61, 67, 75, 125, 159, 183, 201, 265, 305, 335, 375, 795, 915, 1005, 1325, 1525, 1675, 3233, 3551, 3975, 4087, 4575, 5025, 6625, 7625, 8375, 9699, 10653, 12261, 16165, 17755, 19875, 20435, 22875, 25125, 48495, 53265, 61305, 80825, 88775, 102175, 216611, 242475, 266325, 306525, 404125, 443875, 510875, 649833, 1083055, 1212375, 1331625, 1532625, 3249165, 5415275, 16245825, 27076375, 81229125]

約数ペア:

[(1, 81229125), (3, 27076375), (5, 16245825), (15, 5415275), (25, 3249165), (53, 1532625), (61, 1331625), (67, 1212375), (75, 1083055), (125, 649833), (159, 510875), (183, 443875), (201, 404125), (265, 306525), (305, 266325), (335, 242475), (375, 216611), (795, 102175), (915, 88775), (1005, 80825), (1325, 61305), (1525, 53265), (1675, 48495), (3233, 25125), (3551, 22875), (3975, 20435), (4087, 19875), (4575, 17755), (5025, 16165), (6625, 12261), (7625, 10653), (8375, 9699)]