72406359

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 121344000

約数和(自身を除く): 48937641

約数列:

[1, 3, 9, 19, 27, 29, 31, 57, 87, 93, 157, 171, 261, 279, 471, 513, 551, 589, 783, 837, 899, 1413, 1653, 1767, 2697, 2983, 4239, 4553, 4867, 4959, 5301, 8091, 8949, 13659, 14601, 14877, 15903, 17081, 24273, 26847, 40977, 43803, 51243, 80541, 86507, 92473, 122931, 131409, 141143, 153729, 259521, 277419, 423429, 461187, 778563, 832257, 1270287, 2335689, 2496771, 2681717, 3810861, 8045151, 24135453, 72406359]

約数ペア:

[(1, 72406359), (3, 24135453), (9, 8045151), (19, 3810861), (27, 2681717), (29, 2496771), (31, 2335689), (57, 1270287), (87, 832257), (93, 778563), (157, 461187), (171, 423429), (261, 277419), (279, 259521), (471, 153729), (513, 141143), (551, 131409), (589, 122931), (783, 92473), (837, 86507), (899, 80541), (1413, 51243), (1653, 43803), (1767, 40977), (2697, 26847), (2983, 24273), (4239, 17081), (4553, 15903), (4867, 14877), (4959, 14601), (5301, 13659), (8091, 8949)]