2215575

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 4078360

約数和(自身を除く): 1862785

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 229, 387, 645, 687, 1075, 1145, 1935, 2061, 3225, 3435, 5725, 9675, 9847, 10305, 17175, 29541, 49235, 51525, 88623, 147705, 246175, 443115, 738525, 2215575]

約数ペア:

[(1, 2215575), (3, 738525), (5, 443115), (9, 246175), (15, 147705), (25, 88623), (43, 51525), (45, 49235), (75, 29541), (129, 17175), (215, 10305), (225, 9847), (229, 9675), (387, 5725), (645, 3435), (687, 3225), (1075, 2061), (1145, 1935)]