25377525

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 54

約数和(自身を含む): 47298498

約数和(自身を除く): 21920973

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 61, 75, 129, 183, 215, 225, 305, 387, 549, 645, 915, 1075, 1525, 1849, 1935, 2623, 2745, 3225, 4575, 5547, 7869, 9245, 9675, 13115, 13725, 16641, 23607, 27735, 39345, 46225, 65575, 83205, 112789, 118035, 138675, 196725, 338367, 416025, 563945, 590175, 1015101, 1691835, 2819725, 5075505, 8459175, 25377525]

約数ペア:

[(1, 25377525), (3, 8459175), (5, 5075505), (9, 2819725), (15, 1691835), (25, 1015101), (43, 590175), (45, 563945), (61, 416025), (75, 338367), (129, 196725), (183, 138675), (215, 118035), (225, 112789), (305, 83205), (387, 65575), (549, 46225), (645, 39345), (915, 27735), (1075, 23607), (1525, 16641), (1849, 13725), (1935, 13115), (2623, 9675), (2745, 9245), (3225, 7869), (4575, 5547)]