215928531

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3821}}^1$

素因数の和:3873

約数の個数: 64

約数和(自身を含む): 410941440

約数和(自身を除く): 195012909

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 63, 69, 91, 117, 161, 189, 207, 273, 299, 351, 483, 621, 819, 897, 1449, 2093, 2457, 2691, 3821, 4347, 6279, 8073, 11463, 18837, 26747, 34389, 49673, 56511, 80241, 87883, 103167, 149019, 240723, 263649, 347711, 447057, 615181, 722169, 790947, 1043133, 1142479, 1341171, 1845543, 2372841, 3129399, 3427437, 5536629, 7997353, 9388197, 10282311, 16609887, 23992059, 30846933, 71976177, 215928531]

約数ペア:

[(1, 215928531), (3, 71976177), (7, 30846933), (9, 23992059), (13, 16609887), (21, 10282311), (23, 9388197), (27, 7997353), (39, 5536629), (63, 3427437), (69, 3129399), (91, 2372841), (117, 1845543), (161, 1341171), (189, 1142479), (207, 1043133), (273, 790947), (299, 722169), (351, 615181), (483, 447057), (621, 347711), (819, 263649), (897, 240723), (1449, 149019), (2093, 103167), (2457, 87883), (2691, 80241), (3821, 56511), (4347, 49673), (6279, 34389), (8073, 26747), (11463, 18837)]