157421979

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{97}}^2$

素因数の和:237

約数の個数: 54

約数和(自身を含む): 271405836

約数和(自身を除く): 113983857

約数列:

[1, 3, 9, 11, 13, 33, 39, 97, 99, 117, 143, 169, 291, 429, 507, 873, 1067, 1261, 1287, 1521, 1859, 3201, 3783, 5577, 9409, 9603, 11349, 13871, 16393, 16731, 28227, 41613, 49179, 84681, 103499, 122317, 124839, 147537, 180323, 310497, 366951, 540969, 931491, 1100853, 1345487, 1590121, 1622907, 4036461, 4770363, 12109383, 14311089, 17491331, 52473993, 157421979]

約数ペア:

[(1, 157421979), (3, 52473993), (9, 17491331), (11, 14311089), (13, 12109383), (33, 4770363), (39, 4036461), (97, 1622907), (99, 1590121), (117, 1345487), (143, 1100853), (169, 931491), (291, 540969), (429, 366951), (507, 310497), (873, 180323), (1067, 147537), (1261, 124839), (1287, 122317), (1521, 103499), (1859, 84681), (3201, 49179), (3783, 41613), (5577, 28227), (9409, 16731), (9603, 16393), (11349, 13871)]