12972603

素因数分解:

$3^1\times 7^4\times {\mathrm{1801}}^1$

素因数の和:1832

約数の個数: 20

約数和(自身を含む): 20189608

約数和(自身を除く): 7217005

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1801, 2401, 5403, 7203, 12607, 37821, 88249, 264747, 617743, 1853229, 4324201, 12972603]

約数ペア:

[(1, 12972603), (3, 4324201), (7, 1853229), (21, 617743), (49, 264747), (147, 88249), (343, 37821), (1029, 12607), (1801, 7203), (2401, 5403)]