281180031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2011}}^1$

素因数の和:2267

約数の個数: 32

約数和(自身を含む): 432660480

約数和(自身を除く): 151480449

約数列:

[1, 3, 11, 19, 33, 57, 209, 223, 627, 669, 2011, 2453, 4237, 6033, 7359, 12711, 22121, 38209, 46607, 66363, 114627, 139821, 420299, 448453, 1260897, 1345359, 4932983, 8520607, 14798949, 25561821, 93726677, 281180031]

約数ペア:

[(1, 281180031), (3, 93726677), (11, 25561821), (19, 14798949), (33, 8520607), (57, 4932983), (209, 1345359), (223, 1260897), (627, 448453), (669, 420299), (2011, 139821), (2453, 114627), (4237, 66363), (6033, 46607), (7359, 38209), (12711, 22121)]