54405975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 99306144

約数和(自身を除く): 44900169

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 533, 615, 975, 1025, 1361, 1599, 2665, 3075, 4083, 6805, 7995, 13325, 17693, 20415, 34025, 39975, 53079, 55801, 88465, 102075, 167403, 265395, 279005, 442325, 725413, 837015, 1326975, 1395025, 2176239, 3627065, 4185075, 10881195, 18135325, 54405975]

約数ペア:

[(1, 54405975), (3, 18135325), (5, 10881195), (13, 4185075), (15, 3627065), (25, 2176239), (39, 1395025), (41, 1326975), (65, 837015), (75, 725413), (123, 442325), (195, 279005), (205, 265395), (325, 167403), (533, 102075), (615, 88465), (975, 55801), (1025, 53079), (1361, 39975), (1599, 34025), (2665, 20415), (3075, 17693), (4083, 13325), (6805, 7995)]