90215175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 159230880

約数和(自身を除く): 69015705

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 173, 255, 409, 425, 519, 865, 1227, 1275, 2045, 2595, 2941, 4325, 6135, 6953, 8823, 10225, 12975, 14705, 20859, 30675, 34765, 44115, 70757, 73525, 104295, 173825, 212271, 220575, 353785, 521475, 1061355, 1202869, 1768925, 3608607, 5306775, 6014345, 18043035, 30071725, 90215175]

約数ペア:

[(1, 90215175), (3, 30071725), (5, 18043035), (15, 6014345), (17, 5306775), (25, 3608607), (51, 1768925), (75, 1202869), (85, 1061355), (173, 521475), (255, 353785), (409, 220575), (425, 212271), (519, 173825), (865, 104295), (1227, 73525), (1275, 70757), (2045, 44115), (2595, 34765), (2941, 30675), (4325, 20859), (6135, 14705), (6953, 12975), (8823, 10225)]