71387823

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 106831872

約数和(自身を除く): 35444049

約数列:

[1, 3, 13, 31, 39, 93, 137, 403, 411, 431, 1209, 1293, 1781, 4247, 5343, 5603, 12741, 13361, 16809, 40083, 55211, 59047, 165633, 173693, 177141, 521079, 767611, 1830457, 2302833, 5491371, 23795941, 71387823]

約数ペア:

[(1, 71387823), (3, 23795941), (13, 5491371), (31, 2302833), (39, 1830457), (93, 767611), (137, 521079), (403, 177141), (411, 173693), (431, 165633), (1209, 59047), (1293, 55211), (1781, 40083), (4247, 16809), (5343, 13361), (5603, 12741)]