421554021

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{601}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 650969088

約数和(自身を除く): 229415067

約数列:

[1, 3, 7, 21, 127, 263, 381, 601, 789, 889, 1803, 1841, 2667, 4207, 5523, 12621, 33401, 76327, 100203, 158063, 228981, 233807, 474189, 534289, 701421, 1106441, 1602867, 3319323, 20074001, 60222003, 140518007, 421554021]

約数ペア:

[(1, 421554021), (3, 140518007), (7, 60222003), (21, 20074001), (127, 3319323), (263, 1602867), (381, 1106441), (601, 701421), (789, 534289), (889, 474189), (1803, 233807), (1841, 228981), (2667, 158063), (4207, 100203), (5523, 76327), (12621, 33401)]