2157285

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 4005504

約数和(自身を除く): 1848219

約数列:

[1, 3, 5, 13, 15, 23, 37, 39, 65, 69, 111, 115, 169, 185, 195, 299, 345, 481, 507, 555, 845, 851, 897, 1443, 1495, 2405, 2535, 2553, 3887, 4255, 4485, 6253, 7215, 11063, 11661, 12765, 18759, 19435, 31265, 33189, 55315, 58305, 93795, 143819, 165945, 431457, 719095, 2157285]

約数ペア:

[(1, 2157285), (3, 719095), (5, 431457), (13, 165945), (15, 143819), (23, 93795), (37, 58305), (39, 55315), (65, 33189), (69, 31265), (111, 19435), (115, 18759), (169, 12765), (185, 11661), (195, 11063), (299, 7215), (345, 6253), (481, 4485), (507, 4255), (555, 3887), (845, 2553), (851, 2535), (897, 2405), (1443, 1495)]