216325995

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{887}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 352926720

約数和(自身を除く): 136600725

約数列:

[1, 3, 5, 15, 71, 213, 229, 355, 687, 887, 1065, 1145, 2661, 3435, 4435, 13305, 16259, 48777, 62977, 81295, 188931, 203123, 243885, 314885, 609369, 944655, 1015615, 3046845, 14421733, 43265199, 72108665, 216325995]

約数ペア:

[(1, 216325995), (3, 72108665), (5, 43265199), (15, 14421733), (71, 3046845), (213, 1015615), (229, 944655), (355, 609369), (687, 314885), (887, 243885), (1065, 203123), (1145, 188931), (2661, 81295), (3435, 62977), (4435, 48777), (13305, 16259)]