1321593405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{49139}}^1$

素因数の和:49321

約数の個数: 32

約数和(自身を含む): 2320980480

約数和(自身を除く): 999387075

約数列:

[1, 3, 5, 11, 15, 33, 55, 163, 165, 489, 815, 1793, 2445, 5379, 8965, 26895, 49139, 147417, 245695, 540529, 737085, 1621587, 2702645, 8009657, 8107935, 24028971, 40048285, 88106227, 120144855, 264318681, 440531135, 1321593405]

約数ペア:

[(1, 1321593405), (3, 440531135), (5, 264318681), (11, 120144855), (15, 88106227), (33, 40048285), (55, 24028971), (163, 8107935), (165, 8009657), (489, 2702645), (815, 1621587), (1793, 737085), (2445, 540529), (5379, 245695), (8965, 147417), (26895, 49139)]