77430825

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 145544256

約数和(自身を除く): 68113431

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 71, 75, 111, 131, 185, 213, 225, 333, 355, 393, 555, 639, 655, 925, 1065, 1179, 1665, 1775, 1965, 2627, 2775, 3195, 3275, 4847, 5325, 5895, 7881, 8325, 9301, 9825, 13135, 14541, 15975, 23643, 24235, 27903, 29475, 39405, 43623, 46505, 65675, 72705, 83709, 118215, 121175, 139515, 197025, 218115, 232525, 344137, 363525, 418545, 591075, 697575, 1032411, 1090575, 1720685, 2092725, 3097233, 5162055, 8603425, 15486165, 25810275, 77430825]

約数ペア:

[(1, 77430825), (3, 25810275), (5, 15486165), (9, 8603425), (15, 5162055), (25, 3097233), (37, 2092725), (45, 1720685), (71, 1090575), (75, 1032411), (111, 697575), (131, 591075), (185, 418545), (213, 363525), (225, 344137), (333, 232525), (355, 218115), (393, 197025), (555, 139515), (639, 121175), (655, 118215), (925, 83709), (1065, 72705), (1179, 65675), (1665, 46505), (1775, 43623), (1965, 39405), (2627, 29475), (2775, 27903), (3195, 24235), (3275, 23643), (4847, 15975), (5325, 14541), (5895, 13135), (7881, 9825), (8325, 9301)]