788693409

素因数分解:

$3^3\times 7^1\times {\mathrm{4172981}}^1$

素因数の和:4172997

約数の個数: 16

約数和(自身を含む): 1335354240

約数和(自身を除く): 546660831

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 4172981, 12518943, 29210867, 37556829, 87632601, 112670487, 262897803, 788693409]

約数ペア:

[(1, 788693409), (3, 262897803), (7, 112670487), (9, 87632601), (21, 37556829), (27, 29210867), (63, 12518943), (189, 4172981)]