215577915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{3203}}^1$

素因数の和:3859

約数の個数: 32

約数和(自身を含む): 394937856

約数和(自身を除く): 179359941

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 641, 1923, 3203, 3205, 4487, 9609, 9615, 13461, 16015, 22421, 22435, 48045, 67263, 67305, 112105, 336315, 2053123, 6159369, 10265615, 14371861, 30796845, 43115583, 71859305, 215577915]

約数ペア:

[(1, 215577915), (3, 71859305), (5, 43115583), (7, 30796845), (15, 14371861), (21, 10265615), (35, 6159369), (105, 2053123), (641, 336315), (1923, 112105), (3203, 67305), (3205, 67263), (4487, 48045), (9609, 22435), (9615, 22421), (13461, 16015)]