163900515

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{2801}}^1$

素因数の和:2939

約数の個数: 32

約数和(自身を含む): 271143936

約数和(自身を除く): 107243421

約数列:

[1, 3, 5, 15, 47, 83, 141, 235, 249, 415, 705, 1245, 2801, 3901, 8403, 11703, 14005, 19505, 42015, 58515, 131647, 232483, 394941, 658235, 697449, 1162415, 1974705, 3487245, 10926701, 32780103, 54633505, 163900515]

約数ペア:

[(1, 163900515), (3, 54633505), (5, 32780103), (15, 10926701), (47, 3487245), (83, 1974705), (141, 1162415), (235, 697449), (249, 658235), (415, 394941), (705, 232483), (1245, 131647), (2801, 58515), (3901, 42015), (8403, 19505), (11703, 14005)]