31874271

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 50319360

約数和(自身を除く): 18445089

約数列:

[1, 3, 11, 13, 33, 39, 143, 191, 389, 429, 573, 1167, 2101, 2483, 4279, 5057, 6303, 7449, 12837, 15171, 27313, 55627, 74299, 81939, 166881, 222897, 817289, 965887, 2451867, 2897661, 10624757, 31874271]

約数ペア:

[(1, 31874271), (3, 10624757), (11, 2897661), (13, 2451867), (33, 965887), (39, 817289), (143, 222897), (191, 166881), (389, 81939), (429, 74299), (573, 55627), (1167, 27313), (2101, 15171), (2483, 12837), (4279, 7449), (5057, 6303)]