215795961

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 324708480

約数和(自身を除く): 108912519

約数列:

[1, 3, 9, 27, 137, 227, 257, 411, 681, 771, 1233, 2043, 2313, 3699, 6129, 6939, 31099, 35209, 58339, 93297, 105627, 175017, 279891, 316881, 525051, 839673, 950643, 1575153, 7992443, 23977329, 71931987, 215795961]

約数ペア:

[(1, 215795961), (3, 71931987), (9, 23977329), (27, 7992443), (137, 1575153), (227, 950643), (257, 839673), (411, 525051), (681, 316881), (771, 279891), (1233, 175017), (2043, 105627), (2313, 93297), (3699, 58339), (6129, 35209), (6939, 31099)]