981791037

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{463}}^1\times {\mathrm{557}}^1$

素因数の和:1079

約数の個数: 40

約数和(自身を含む): 1503760896

約数和(自身を除く): 521969859

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 463, 557, 1269, 1389, 1671, 3807, 4167, 5013, 12501, 15039, 21761, 26179, 37503, 45117, 65283, 78537, 195849, 235611, 257891, 587547, 706833, 773673, 1762641, 2120499, 2321019, 6963057, 12120877, 20889171, 36362631, 109087893, 327263679, 981791037]

約数ペア:

[(1, 981791037), (3, 327263679), (9, 109087893), (27, 36362631), (47, 20889171), (81, 12120877), (141, 6963057), (423, 2321019), (463, 2120499), (557, 1762641), (1269, 773673), (1389, 706833), (1671, 587547), (3807, 257891), (4167, 235611), (5013, 195849), (12501, 78537), (15039, 65283), (21761, 45117), (26179, 37503)]