15955191

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 13075209

約数列:

[1, 3, 7, 9, 21, 27, 29, 41, 63, 71, 87, 123, 189, 203, 213, 261, 287, 369, 497, 609, 639, 783, 861, 1107, 1189, 1491, 1827, 1917, 2059, 2583, 2911, 3567, 4473, 5481, 6177, 7749, 8323, 8733, 10701, 13419, 14413, 18531, 20377, 24969, 26199, 32103, 43239, 55593, 61131, 74907, 78597, 84419, 129717, 183393, 224721, 253257, 389151, 550179, 590933, 759771, 1772799, 2279313, 5318397, 15955191]

約数ペア:

[(1, 15955191), (3, 5318397), (7, 2279313), (9, 1772799), (21, 759771), (27, 590933), (29, 550179), (41, 389151), (63, 253257), (71, 224721), (87, 183393), (123, 129717), (189, 84419), (203, 78597), (213, 74907), (261, 61131), (287, 55593), (369, 43239), (497, 32103), (609, 26199), (639, 24969), (783, 20377), (861, 18531), (1107, 14413), (1189, 13419), (1491, 10701), (1827, 8733), (1917, 8323), (2059, 7749), (2583, 6177), (2911, 5481), (3567, 4473)]