641613189

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{13537}}^1$

素因数の和:13645

約数の個数: 32

約数和(自身を含む): 1020656896

約数和(自身を除く): 379043707

約数列:

[1, 3, 7, 21, 37, 61, 111, 183, 259, 427, 777, 1281, 2257, 6771, 13537, 15799, 40611, 47397, 94759, 284277, 500869, 825757, 1502607, 2477271, 3506083, 5780299, 10518249, 17340897, 30553009, 91659027, 213871063, 641613189]

約数ペア:

[(1, 641613189), (3, 213871063), (7, 91659027), (21, 30553009), (37, 17340897), (61, 10518249), (111, 5780299), (183, 3506083), (259, 2477271), (427, 1502607), (777, 825757), (1281, 500869), (2257, 284277), (6771, 94759), (13537, 47397), (15799, 40611)]