780898806

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{209581}}^1$

素因数の和:209618

約数の個数: 40

約数和(自身を含む): 1825878384

約数和(自身を除く): 1044979578

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 209581, 419162, 628743, 1257486, 1886229, 3772458, 4820363, 5658687, 9640726, 11317374, 14461089, 16976061, 28922178, 33952122, 43383267, 86766534, 130149801, 260299602, 390449403, 780898806]

約数ペア:

[(1, 780898806), (2, 390449403), (3, 260299602), (6, 130149801), (9, 86766534), (18, 43383267), (23, 33952122), (27, 28922178), (46, 16976061), (54, 14461089), (69, 11317374), (81, 9640726), (138, 5658687), (162, 4820363), (207, 3772458), (414, 1886229), (621, 1257486), (1242, 628743), (1863, 419162), (3726, 209581)]