20191175775

素因数分解:

$3^4\times 5^2\times {\mathrm{9970951}}^1$

素因数の和:9970973

約数の個数: 30

約数和(自身を含む): 37401040952

約数和(自身を除く): 17209865177

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9970951, 29912853, 49854755, 89738559, 149564265, 249273775, 269215677, 448692795, 747821325, 807647031, 1346078385, 2243463975, 4038235155, 6730391925, 20191175775]

約数ペア:

[(1, 20191175775), (3, 6730391925), (5, 4038235155), (9, 2243463975), (15, 1346078385), (25, 807647031), (27, 747821325), (45, 448692795), (75, 269215677), (81, 249273775), (135, 149564265), (225, 89738559), (405, 49854755), (675, 29912853), (2025, 9970951)]