61408125

素因数分解:

$3^4\times 5^4\times {\mathrm{1213}}^1$

素因数の和:1245

約数の個数: 50

約数和(自身を含む): 114724214

約数和(自身を除く): 53316089

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 625, 675, 1125, 1213, 1875, 2025, 3375, 3639, 5625, 6065, 10125, 10917, 16875, 18195, 30325, 32751, 50625, 54585, 90975, 98253, 151625, 163755, 272925, 454875, 491265, 758125, 818775, 1364625, 2274375, 2456325, 4093875, 6823125, 12281625, 20469375, 61408125]

約数ペア:

[(1, 61408125), (3, 20469375), (5, 12281625), (9, 6823125), (15, 4093875), (25, 2456325), (27, 2274375), (45, 1364625), (75, 818775), (81, 758125), (125, 491265), (135, 454875), (225, 272925), (375, 163755), (405, 151625), (625, 98253), (675, 90975), (1125, 54585), (1213, 50625), (1875, 32751), (2025, 30325), (3375, 18195), (3639, 16875), (5625, 10917), (6065, 10125)]