39902655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12037}}^1$

素因数の和:12075

約数の個数: 32

約数和(自身を含む): 72805824

約数和(自身を除く): 32903169

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 12037, 36111, 60185, 156481, 180555, 204629, 469443, 613887, 782405, 1023145, 2347215, 2660177, 3069435, 7980531, 13300885, 39902655]

約数ペア:

[(1, 39902655), (3, 13300885), (5, 7980531), (13, 3069435), (15, 2660177), (17, 2347215), (39, 1023145), (51, 782405), (65, 613887), (85, 469443), (195, 204629), (221, 180555), (255, 156481), (663, 60185), (1105, 36111), (3315, 12037)]