31712733

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 51717120

約数和(自身を除く): 20004387

約数列:

[1, 3, 9, 13, 39, 47, 73, 79, 117, 141, 219, 237, 423, 611, 657, 711, 949, 1027, 1833, 2847, 3081, 3431, 3713, 5499, 5767, 8541, 9243, 10293, 11139, 17301, 30879, 33417, 44603, 48269, 51903, 74971, 133809, 144807, 224913, 271049, 401427, 434421, 674739, 813147, 2439441, 3523637, 10570911, 31712733]

約数ペア:

[(1, 31712733), (3, 10570911), (9, 3523637), (13, 2439441), (39, 813147), (47, 674739), (73, 434421), (79, 401427), (117, 271049), (141, 224913), (219, 144807), (237, 133809), (423, 74971), (611, 51903), (657, 48269), (711, 44603), (949, 33417), (1027, 30879), (1833, 17301), (2847, 11139), (3081, 10293), (3431, 9243), (3713, 8541), (5499, 5767)]