168216405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{84319}}^1$

素因数の和:84353

約数の個数: 32

約数和(自身を含む): 323788800

約数和(自身を除く): 155572395

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 84319, 252957, 421595, 590233, 1264785, 1602061, 1770699, 2951165, 4806183, 8010305, 8853495, 11214427, 24030915, 33643281, 56072135, 168216405]

約数ペア:

[(1, 168216405), (3, 56072135), (5, 33643281), (7, 24030915), (15, 11214427), (19, 8853495), (21, 8010305), (35, 4806183), (57, 2951165), (95, 1770699), (105, 1602061), (133, 1264785), (285, 590233), (399, 421595), (665, 252957), (1995, 84319)]