20121927

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 11604153

約数列:

[1, 3, 7, 21, 53, 101, 159, 179, 303, 371, 537, 707, 1113, 1253, 2121, 3759, 5353, 9487, 16059, 18079, 28461, 37471, 54237, 66409, 112413, 126553, 199227, 379659, 958187, 2874561, 6707309, 20121927]

約数ペア:

[(1, 20121927), (3, 6707309), (7, 2874561), (21, 958187), (53, 379659), (101, 199227), (159, 126553), (179, 112413), (303, 66409), (371, 54237), (537, 37471), (707, 28461), (1113, 18079), (1253, 16059), (2121, 9487), (3759, 5353)]