388584015

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{6977}}^1$

素因数の和:7111

約数の個数: 32

約数和(自身を含む): 643092480

約数和(自身を除く): 254508465

約数列:

[1, 3, 5, 15, 47, 79, 141, 235, 237, 395, 705, 1185, 3713, 6977, 11139, 18565, 20931, 34885, 55695, 104655, 327919, 551183, 983757, 1639595, 1653549, 2755915, 4918785, 8267745, 25905601, 77716803, 129528005, 388584015]

約数ペア:

[(1, 388584015), (3, 129528005), (5, 77716803), (15, 25905601), (47, 8267745), (79, 4918785), (141, 2755915), (235, 1653549), (237, 1639595), (395, 983757), (705, 551183), (1185, 327919), (3713, 104655), (6977, 55695), (11139, 34885), (18565, 20931)]