79420719

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 132821856

約数和(自身を除く): 53401137

約数列:

[1, 3, 7, 17, 21, 49, 51, 61, 119, 147, 183, 357, 427, 521, 833, 1037, 1281, 1563, 2499, 2989, 3111, 3647, 7259, 8857, 8967, 10941, 21777, 25529, 26571, 31781, 50813, 61999, 76587, 95343, 152439, 185997, 222467, 433993, 540277, 667401, 1301979, 1557269, 1620831, 3781939, 4671807, 11345817, 26473573, 79420719]

約数ペア:

[(1, 79420719), (3, 26473573), (7, 11345817), (17, 4671807), (21, 3781939), (49, 1620831), (51, 1557269), (61, 1301979), (119, 667401), (147, 540277), (183, 433993), (357, 222467), (427, 185997), (521, 152439), (833, 95343), (1037, 76587), (1281, 61999), (1563, 50813), (2499, 31781), (2989, 26571), (3111, 25529), (3647, 21777), (7259, 10941), (8857, 8967)]