11312217

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 19654272

約数和(自身を除く): 8342055

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 281, 497, 567, 639, 843, 1491, 1917, 1967, 2529, 4473, 5751, 5901, 7587, 13419, 17703, 19951, 22761, 40257, 53109, 59853, 139657, 159327, 179559, 418971, 538677, 1256913, 1616031, 3770739, 11312217]

約数ペア:

[(1, 11312217), (3, 3770739), (7, 1616031), (9, 1256913), (21, 538677), (27, 418971), (63, 179559), (71, 159327), (81, 139657), (189, 59853), (213, 53109), (281, 40257), (497, 22761), (567, 19951), (639, 17703), (843, 13419), (1491, 7587), (1917, 5901), (1967, 5751), (2529, 4473)]