28658637

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2861}}^1$

素因数の和:2930

約数の個数: 32

約数和(自身を含む): 49455360

約数和(自身を除く): 20796723

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 2861, 3339, 8583, 10017, 20027, 25749, 60081, 77247, 151633, 180243, 454899, 540729, 1061431, 1364697, 3184293, 4094091, 9552879, 28658637]

約数ペア:

[(1, 28658637), (3, 9552879), (7, 4094091), (9, 3184293), (21, 1364697), (27, 1061431), (53, 540729), (63, 454899), (159, 180243), (189, 151633), (371, 77247), (477, 60081), (1113, 25749), (1431, 20027), (2861, 10017), (3339, 8583)]