64591425

素因数分解:

$3^4\times 5^2\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 60

約数和(自身を含む): 120992256

約数和(自身を除く): 56400831

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 167, 191, 225, 405, 501, 573, 675, 835, 955, 1503, 1719, 2025, 2505, 2865, 4175, 4509, 4775, 5157, 7515, 8595, 12525, 13527, 14325, 15471, 22545, 25785, 31897, 37575, 42975, 67635, 77355, 95691, 112725, 128925, 159485, 287073, 338175, 386775, 478455, 797425, 861219, 1435365, 2392275, 2583657, 4306095, 7176825, 12918285, 21530475, 64591425]

約数ペア:

[(1, 64591425), (3, 21530475), (5, 12918285), (9, 7176825), (15, 4306095), (25, 2583657), (27, 2392275), (45, 1435365), (75, 861219), (81, 797425), (135, 478455), (167, 386775), (191, 338175), (225, 287073), (405, 159485), (501, 128925), (573, 112725), (675, 95691), (835, 77355), (955, 67635), (1503, 42975), (1719, 37575), (2025, 31897), (2505, 25785), (2865, 22545), (4175, 15471), (4509, 14325), (4775, 13527), (5157, 12525), (7515, 8595)]