221738127

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1373}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 329628096

約数和(自身を除く): 107889969

約数列:

[1, 3, 13, 39, 41, 101, 123, 303, 533, 1313, 1373, 1599, 3939, 4119, 4141, 12423, 17849, 53547, 53833, 56293, 138673, 161499, 168879, 416019, 731809, 1802749, 2195427, 5408247, 5685593, 17056779, 73912709, 221738127]

約数ペア:

[(1, 221738127), (3, 73912709), (13, 17056779), (39, 5685593), (41, 5408247), (101, 2195427), (123, 1802749), (303, 731809), (533, 416019), (1313, 168879), (1373, 161499), (1599, 138673), (3939, 56293), (4119, 53833), (4141, 53547), (12423, 17849)]