72787473

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 121784832

約数和(自身を除く): 48997359

約数列:

[1, 3, 9, 11, 31, 33, 37, 93, 99, 111, 279, 333, 341, 407, 641, 1023, 1147, 1221, 1923, 3069, 3441, 3663, 5769, 7051, 10323, 12617, 19871, 21153, 23717, 37851, 59613, 63459, 71151, 113553, 178839, 213453, 218581, 260887, 655743, 735227, 782661, 1967229, 2205681, 2347983, 6617043, 8087497, 24262491, 72787473]

約数ペア:

[(1, 72787473), (3, 24262491), (9, 8087497), (11, 6617043), (31, 2347983), (33, 2205681), (37, 1967229), (93, 782661), (99, 735227), (111, 655743), (279, 260887), (333, 218581), (341, 213453), (407, 178839), (641, 113553), (1023, 71151), (1147, 63459), (1221, 59613), (1923, 37851), (3069, 23717), (3441, 21153), (3663, 19871), (5769, 12617), (7051, 10323)]