28137537

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 45302400

約数和(自身を除く): 17164863

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 141, 171, 389, 423, 513, 893, 1167, 1269, 1539, 2679, 3501, 3807, 7391, 8037, 10503, 18283, 22173, 24111, 31509, 54849, 66519, 72333, 164547, 199557, 347377, 493641, 598671, 1042131, 1480923, 3126393, 9379179, 28137537]

約数ペア:

[(1, 28137537), (3, 9379179), (9, 3126393), (19, 1480923), (27, 1042131), (47, 598671), (57, 493641), (81, 347377), (141, 199557), (171, 164547), (389, 72333), (423, 66519), (513, 54849), (893, 31509), (1167, 24111), (1269, 22173), (1539, 18283), (2679, 10503), (3501, 8037), (3807, 7391)]