78218145

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{25943}}^1$

素因数の和:26021

約数の個数: 24

約数和(自身を含む): 137606976

約数和(自身を除く): 59388831

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 25943, 77829, 129715, 233487, 389145, 1167435, 1738181, 5214543, 8690905, 15643629, 26072715, 78218145]

約数ペア:

[(1, 78218145), (3, 26072715), (5, 15643629), (9, 8690905), (15, 5214543), (45, 1738181), (67, 1167435), (201, 389145), (335, 233487), (603, 129715), (1005, 77829), (3015, 25943)]