64687425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 118117440

約数和(自身を除く): 53430015

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 89, 165, 267, 275, 445, 825, 881, 979, 1335, 2225, 2643, 2937, 4405, 4895, 6675, 9691, 13215, 14685, 22025, 24475, 29073, 48455, 66075, 73425, 78409, 145365, 235227, 242275, 392045, 726825, 862499, 1176135, 1960225, 2587497, 4312495, 5880675, 12937485, 21562475, 64687425]

約数ペア:

[(1, 64687425), (3, 21562475), (5, 12937485), (11, 5880675), (15, 4312495), (25, 2587497), (33, 1960225), (55, 1176135), (75, 862499), (89, 726825), (165, 392045), (267, 242275), (275, 235227), (445, 145365), (825, 78409), (881, 73425), (979, 66075), (1335, 48455), (2225, 29073), (2643, 24475), (2937, 22025), (4405, 14685), (4895, 13215), (6675, 9691)]