42405279

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 67392000

約数和(自身を除く): 24986721

約数列:

[1, 3, 7, 21, 29, 87, 179, 203, 389, 537, 609, 1167, 1253, 2723, 3759, 5191, 8169, 11281, 15573, 33843, 36337, 69631, 78967, 109011, 208893, 236901, 487417, 1462251, 2019299, 6057897, 14135093, 42405279]

約数ペア:

[(1, 42405279), (3, 14135093), (7, 6057897), (21, 2019299), (29, 1462251), (87, 487417), (179, 236901), (203, 208893), (389, 109011), (537, 78967), (609, 69631), (1167, 36337), (1253, 33843), (2723, 15573), (3759, 11281), (5191, 8169)]