2678325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 4958016

約数和(自身を除く): 2279691

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 67, 75, 123, 195, 201, 205, 325, 335, 533, 615, 871, 975, 1005, 1025, 1599, 1675, 2613, 2665, 2747, 3075, 4355, 5025, 7995, 8241, 13065, 13325, 13735, 21775, 35711, 39975, 41205, 65325, 68675, 107133, 178555, 206025, 535665, 892775, 2678325]

約数ペア:

[(1, 2678325), (3, 892775), (5, 535665), (13, 206025), (15, 178555), (25, 107133), (39, 68675), (41, 65325), (65, 41205), (67, 39975), (75, 35711), (123, 21775), (195, 13735), (201, 13325), (205, 13065), (325, 8241), (335, 7995), (533, 5025), (615, 4355), (871, 3075), (975, 2747), (1005, 2665), (1025, 2613), (1599, 1675)]