201528915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{14431}}^1$

素因数の和:14472

約数の個数: 48

約数和(自身を含む): 394859520

約数和(自身を除く): 193330605

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 14431, 43293, 72155, 101017, 216465, 274189, 303051, 505085, 707119, 822567, 1370945, 1515255, 1919323, 2121357, 3535595, 4112835, 5757969, 9596615, 10606785, 13435261, 28789845, 40305783, 67176305, 201528915]

約数ペア:

[(1, 201528915), (3, 67176305), (5, 40305783), (7, 28789845), (15, 13435261), (19, 10606785), (21, 9596615), (35, 5757969), (49, 4112835), (57, 3535595), (95, 2121357), (105, 1919323), (133, 1515255), (147, 1370945), (245, 822567), (285, 707119), (399, 505085), (665, 303051), (735, 274189), (931, 216465), (1995, 101017), (2793, 72155), (4655, 43293), (13965, 14431)]