257607

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:92

約数の個数: 32

約数和(自身を含む): 460800

約数和(自身を除く): 203193

約数列:

[1, 3, 7, 9, 21, 27, 29, 47, 63, 87, 141, 189, 203, 261, 329, 423, 609, 783, 987, 1269, 1363, 1827, 2961, 4089, 5481, 8883, 9541, 12267, 28623, 36801, 85869, 257607]

約数ペア:

[(1, 257607), (3, 85869), (7, 36801), (9, 28623), (21, 12267), (27, 9541), (29, 8883), (47, 5481), (63, 4089), (87, 2961), (141, 1827), (189, 1363), (203, 1269), (261, 987), (329, 783), (423, 609)]