18174807

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 33269760

約数和(自身を除く): 15094953

約数列:

[1, 3, 7, 9, 21, 23, 27, 37, 63, 69, 111, 113, 161, 189, 207, 259, 333, 339, 483, 621, 777, 791, 851, 999, 1017, 1449, 2331, 2373, 2553, 2599, 3051, 4181, 4347, 5957, 6993, 7119, 7659, 7797, 12543, 17871, 18193, 21357, 22977, 23391, 29267, 37629, 53613, 54579, 70173, 87801, 96163, 112887, 160839, 163737, 263403, 288489, 491211, 673141, 790209, 865467, 2019423, 2596401, 6058269, 18174807]

約数ペア:

[(1, 18174807), (3, 6058269), (7, 2596401), (9, 2019423), (21, 865467), (23, 790209), (27, 673141), (37, 491211), (63, 288489), (69, 263403), (111, 163737), (113, 160839), (161, 112887), (189, 96163), (207, 87801), (259, 70173), (333, 54579), (339, 53613), (483, 37629), (621, 29267), (777, 23391), (791, 22977), (851, 21357), (999, 18193), (1017, 17871), (1449, 12543), (2331, 7797), (2373, 7659), (2553, 7119), (2599, 6993), (3051, 5957), (4181, 4347)]