87347883

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1223}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 141004800

約数和(自身を除く): 53656917

約数列:

[1, 3, 7, 19, 21, 57, 133, 179, 399, 537, 1223, 1253, 3401, 3669, 3759, 8561, 10203, 23237, 23807, 25683, 69711, 71421, 162659, 218917, 487977, 656751, 1532419, 4159423, 4597257, 12478269, 29115961, 87347883]

約数ペア:

[(1, 87347883), (3, 29115961), (7, 12478269), (19, 4597257), (21, 4159423), (57, 1532419), (133, 656751), (179, 487977), (399, 218917), (537, 162659), (1223, 71421), (1253, 69711), (3401, 25683), (3669, 23807), (3759, 23237), (8561, 10203)]