788584977

素因数分解:

$3^4\times {\mathrm{487}}^1\times {\mathrm{19991}}^1$

素因数の和:20490

約数の個数: 20

約数和(自身を含む): 1180487616

約数和(自身を除く): 391902639

約数列:

[1, 3, 9, 27, 81, 487, 1461, 4383, 13149, 19991, 39447, 59973, 179919, 539757, 1619271, 9735617, 29206851, 87620553, 262861659, 788584977]

約数ペア:

[(1, 788584977), (3, 262861659), (9, 87620553), (27, 29206851), (81, 9735617), (487, 1619271), (1461, 539757), (4383, 179919), (13149, 59973), (19991, 39447)]