17942379

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 30834720

約数和(自身を除く): 12892341

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 123, 147, 229, 273, 287, 533, 637, 687, 861, 1599, 1603, 1911, 2009, 2977, 3731, 4809, 6027, 8931, 9389, 11193, 11221, 20839, 26117, 28167, 33663, 62517, 65723, 78351, 122057, 145873, 197169, 366171, 437619, 460061, 854399, 1380183, 2563197, 5980793, 17942379]

約数ペア:

[(1, 17942379), (3, 5980793), (7, 2563197), (13, 1380183), (21, 854399), (39, 460061), (41, 437619), (49, 366171), (91, 197169), (123, 145873), (147, 122057), (229, 78351), (273, 65723), (287, 62517), (533, 33663), (637, 28167), (687, 26117), (861, 20839), (1599, 11221), (1603, 11193), (1911, 9389), (2009, 8931), (2977, 6027), (3731, 4809)]