80628765

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{673}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 151213248

約数和(自身を除く): 70584483

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 163, 245, 489, 673, 735, 815, 1141, 2019, 2445, 3365, 3423, 4711, 5705, 7987, 10095, 14133, 17115, 23555, 23961, 32977, 39935, 70665, 98931, 109699, 119805, 164885, 329097, 494655, 548495, 767893, 1645485, 2303679, 3839465, 5375251, 11518395, 16125753, 26876255, 80628765]

約数ペア:

[(1, 80628765), (3, 26876255), (5, 16125753), (7, 11518395), (15, 5375251), (21, 3839465), (35, 2303679), (49, 1645485), (105, 767893), (147, 548495), (163, 494655), (245, 329097), (489, 164885), (673, 119805), (735, 109699), (815, 98931), (1141, 70665), (2019, 39935), (2445, 32977), (3365, 23961), (3423, 23555), (4711, 17115), (5705, 14133), (7987, 10095)]