911421

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 1707264

約数和(自身を除く): 795843

約数列:

[1, 3, 7, 9, 17, 21, 23, 37, 51, 63, 69, 111, 119, 153, 161, 207, 259, 333, 357, 391, 483, 629, 777, 851, 1071, 1173, 1449, 1887, 2331, 2553, 2737, 3519, 4403, 5661, 5957, 7659, 8211, 13209, 14467, 17871, 24633, 39627, 43401, 53613, 101269, 130203, 303807, 911421]

約数ペア:

[(1, 911421), (3, 303807), (7, 130203), (9, 101269), (17, 53613), (21, 43401), (23, 39627), (37, 24633), (51, 17871), (63, 14467), (69, 13209), (111, 8211), (119, 7659), (153, 5957), (161, 5661), (207, 4403), (259, 3519), (333, 2737), (357, 2553), (391, 2331), (483, 1887), (629, 1449), (777, 1173), (851, 1071)]