18290097

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 14887503

約数列:

[1, 3, 7, 9, 21, 27, 29, 47, 63, 71, 87, 141, 189, 203, 213, 261, 329, 423, 497, 609, 639, 783, 987, 1269, 1363, 1491, 1827, 1917, 2059, 2961, 3337, 4089, 4473, 5481, 6177, 8883, 9541, 10011, 12267, 13419, 14413, 18531, 23359, 28623, 30033, 36801, 43239, 55593, 70077, 85869, 90099, 96773, 129717, 210231, 257607, 290319, 389151, 630693, 677411, 870957, 2032233, 2612871, 6096699, 18290097]

約数ペア:

[(1, 18290097), (3, 6096699), (7, 2612871), (9, 2032233), (21, 870957), (27, 677411), (29, 630693), (47, 389151), (63, 290319), (71, 257607), (87, 210231), (141, 129717), (189, 96773), (203, 90099), (213, 85869), (261, 70077), (329, 55593), (423, 43239), (497, 36801), (609, 30033), (639, 28623), (783, 23359), (987, 18531), (1269, 14413), (1363, 13419), (1491, 12267), (1827, 10011), (1917, 9541), (2059, 8883), (2961, 6177), (3337, 5481), (4089, 4473)]