28760802021

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{50461}}^1$

素因数の和:50666

約数の個数: 48

約数和(自身を含む): 48491963520

約数和(自身を除く): 19731161499

約数列:

[1, 3, 7, 9, 21, 63, 83, 109, 249, 327, 581, 747, 763, 981, 1743, 2289, 5229, 6867, 9047, 27141, 50461, 63329, 81423, 151383, 189987, 353227, 454149, 569961, 1059681, 3179043, 4188263, 5500249, 12564789, 16500747, 29317841, 37694367, 38501743, 49502241, 87953523, 115505229, 263860569, 346515687, 456520667, 1369562001, 3195644669, 4108686003, 9586934007, 28760802021]

約数ペア:

[(1, 28760802021), (3, 9586934007), (7, 4108686003), (9, 3195644669), (21, 1369562001), (63, 456520667), (83, 346515687), (109, 263860569), (249, 115505229), (327, 87953523), (581, 49502241), (747, 38501743), (763, 37694367), (981, 29317841), (1743, 16500747), (2289, 12564789), (5229, 5500249), (6867, 4188263), (9047, 3179043), (27141, 1059681), (50461, 569961), (63329, 454149), (81423, 353227), (151383, 189987)]