85990947

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3049}}^1$

素因数の和:3155

約数の個数: 32

約数和(自身を含む): 140544000

約数和(自身を除く): 54553053

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 1343, 1659, 3049, 4029, 9147, 9401, 21343, 28203, 51833, 64029, 155499, 240871, 362831, 722613, 1088493, 1686097, 4094807, 5058291, 12284421, 28663649, 85990947]

約数ペア:

[(1, 85990947), (3, 28663649), (7, 12284421), (17, 5058291), (21, 4094807), (51, 1686097), (79, 1088493), (119, 722613), (237, 362831), (357, 240871), (553, 155499), (1343, 64029), (1659, 51833), (3049, 28203), (4029, 21343), (9147, 9401)]