79219725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2678

約数の個数: 48

約数和(自身を含む): 145657344

約数和(自身を除く): 66437619

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 975, 1209, 2015, 2325, 2621, 6045, 7863, 10075, 13105, 30225, 34073, 39315, 65525, 81251, 102219, 170365, 196575, 243753, 406255, 511095, 851825, 1056263, 1218765, 2031275, 2555475, 3168789, 5281315, 6093825, 15843945, 26406575, 79219725]

約数ペア:

[(1, 79219725), (3, 26406575), (5, 15843945), (13, 6093825), (15, 5281315), (25, 3168789), (31, 2555475), (39, 2031275), (65, 1218765), (75, 1056263), (93, 851825), (155, 511095), (195, 406255), (325, 243753), (403, 196575), (465, 170365), (775, 102219), (975, 81251), (1209, 65525), (2015, 39315), (2325, 34073), (2621, 30225), (6045, 13105), (7863, 10075)]