51515325

素因数分解:

$3^3\times 5^2\times {\mathrm{167}}^1\times {\mathrm{457}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 95410560

約数和(自身を除く): 43895235

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 167, 225, 457, 501, 675, 835, 1371, 1503, 2285, 2505, 4113, 4175, 4509, 6855, 7515, 11425, 12339, 12525, 20565, 22545, 34275, 37575, 61695, 76319, 102825, 112725, 228957, 308475, 381595, 686871, 1144785, 1907975, 2060613, 3434355, 5723925, 10303065, 17171775, 51515325]

約数ペア:

[(1, 51515325), (3, 17171775), (5, 10303065), (9, 5723925), (15, 3434355), (25, 2060613), (27, 1907975), (45, 1144785), (75, 686871), (135, 381595), (167, 308475), (225, 228957), (457, 112725), (501, 102825), (675, 76319), (835, 61695), (1371, 37575), (1503, 34275), (2285, 22545), (2505, 20565), (4113, 12525), (4175, 12339), (4509, 11425), (6855, 7515)]