81851148

素因数分解:

$2^2\times 3^5\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:913

約数の個数: 72

約数和(自身を含む): 216844992

約数和(自身を除く): 134993844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 107, 108, 162, 214, 243, 321, 324, 428, 486, 642, 787, 963, 972, 1284, 1574, 1926, 2361, 2889, 3148, 3852, 4722, 5778, 7083, 8667, 9444, 11556, 14166, 17334, 21249, 26001, 28332, 34668, 42498, 52002, 63747, 84209, 84996, 104004, 127494, 168418, 191241, 252627, 254988, 336836, 382482, 505254, 757881, 764964, 1010508, 1515762, 2273643, 3031524, 4547286, 6820929, 9094572, 13641858, 20462787, 27283716, 40925574, 81851148]

約数ペア:

[(1, 81851148), (2, 40925574), (3, 27283716), (4, 20462787), (6, 13641858), (9, 9094572), (12, 6820929), (18, 4547286), (27, 3031524), (36, 2273643), (54, 1515762), (81, 1010508), (107, 764964), (108, 757881), (162, 505254), (214, 382482), (243, 336836), (321, 254988), (324, 252627), (428, 191241), (486, 168418), (642, 127494), (787, 104004), (963, 84996), (972, 84209), (1284, 63747), (1574, 52002), (1926, 42498), (2361, 34668), (2889, 28332), (3148, 26001), (3852, 21249), (4722, 17334), (5778, 14166), (7083, 11556), (8667, 9444)]