72645993

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 123552000

約数和(自身を除く): 50906007

約数列:

[1, 3, 7, 9, 21, 63, 71, 109, 149, 213, 327, 447, 497, 639, 763, 981, 1043, 1341, 1491, 2289, 3129, 4473, 6867, 7739, 9387, 10579, 16241, 23217, 31737, 48723, 54173, 69651, 74053, 95211, 113687, 146169, 162519, 222159, 341061, 487557, 666477, 1023183, 1153111, 3459333, 8071777, 10377999, 24215331, 72645993]

約数ペア:

[(1, 72645993), (3, 24215331), (7, 10377999), (9, 8071777), (21, 3459333), (63, 1153111), (71, 1023183), (109, 666477), (149, 487557), (213, 341061), (327, 222159), (447, 162519), (497, 146169), (639, 113687), (763, 95211), (981, 74053), (1043, 69651), (1341, 54173), (1491, 48723), (2289, 31737), (3129, 23217), (4473, 16241), (6867, 10579), (7739, 9387)]