71961225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1213}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 137288832

約数和(自身を除く): 65327607

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 113, 175, 339, 525, 565, 791, 1213, 1695, 2373, 2825, 3639, 3955, 6065, 8475, 8491, 11865, 18195, 19775, 25473, 30325, 42455, 59325, 90975, 127365, 137069, 212275, 411207, 636825, 685345, 959483, 2056035, 2878449, 3426725, 4797415, 10280175, 14392245, 23987075, 71961225]

約数ペア:

[(1, 71961225), (3, 23987075), (5, 14392245), (7, 10280175), (15, 4797415), (21, 3426725), (25, 2878449), (35, 2056035), (75, 959483), (105, 685345), (113, 636825), (175, 411207), (339, 212275), (525, 137069), (565, 127365), (791, 90975), (1213, 59325), (1695, 42455), (2373, 30325), (2825, 25473), (3639, 19775), (3955, 18195), (6065, 11865), (8475, 8491)]