890308365

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{42793}}^1$

素因数の和:42893

約数の個数: 32

約数和(自身を含む): 1520042880

約数和(自身を除く): 629734515

約数列:

[1, 3, 5, 15, 19, 57, 73, 95, 219, 285, 365, 1095, 1387, 4161, 6935, 20805, 42793, 128379, 213965, 641895, 813067, 2439201, 3123889, 4065335, 9371667, 12196005, 15619445, 46858335, 59353891, 178061673, 296769455, 890308365]

約数ペア:

[(1, 890308365), (3, 296769455), (5, 178061673), (15, 59353891), (19, 46858335), (57, 15619445), (73, 12196005), (95, 9371667), (219, 4065335), (285, 3123889), (365, 2439201), (1095, 813067), (1387, 641895), (4161, 213965), (6935, 128379), (20805, 42793)]