72649899

素因数分解:

$3^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 126813600

約数和(自身を除く): 54163701

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 89, 147, 189, 267, 441, 617, 623, 801, 1323, 1851, 1869, 2403, 4319, 4361, 5553, 5607, 12957, 13083, 16659, 16821, 30233, 38871, 39249, 54913, 90699, 116613, 117747, 164739, 272097, 384391, 494217, 816291, 1153173, 1482651, 2690737, 3459519, 8072211, 10378557, 24216633, 72649899]

約数ペア:

[(1, 72649899), (3, 24216633), (7, 10378557), (9, 8072211), (21, 3459519), (27, 2690737), (49, 1482651), (63, 1153173), (89, 816291), (147, 494217), (189, 384391), (267, 272097), (441, 164739), (617, 117747), (623, 116613), (801, 90699), (1323, 54913), (1851, 39249), (1869, 38871), (2403, 30233), (4319, 16821), (4361, 16659), (5553, 13083), (5607, 12957)]