16941405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 30252096

約数和(自身を除く): 13310691

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 163, 169, 195, 205, 489, 507, 533, 615, 815, 845, 1599, 2119, 2445, 2535, 2665, 6357, 6683, 6929, 7995, 10595, 20049, 20787, 27547, 31785, 33415, 34645, 82641, 86879, 100245, 103935, 137735, 260637, 413205, 434395, 1129427, 1303185, 3388281, 5647135, 16941405]

約数ペア:

[(1, 16941405), (3, 5647135), (5, 3388281), (13, 1303185), (15, 1129427), (39, 434395), (41, 413205), (65, 260637), (123, 137735), (163, 103935), (169, 100245), (195, 86879), (205, 82641), (489, 34645), (507, 33415), (533, 31785), (615, 27547), (815, 20787), (845, 20049), (1599, 10595), (2119, 7995), (2445, 6929), (2535, 6683), (2665, 6357)]