30218979

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1801}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 49821696

約数和(自身を除く): 19602717

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 1801, 2397, 5403, 5593, 12607, 16779, 30617, 37821, 84647, 91851, 214319, 253941, 592529, 642957, 1438999, 1777587, 4316997, 10072993, 30218979]

約数ペア:

[(1, 30218979), (3, 10072993), (7, 4316997), (17, 1777587), (21, 1438999), (47, 642957), (51, 592529), (119, 253941), (141, 214319), (329, 91851), (357, 84647), (799, 37821), (987, 30617), (1801, 16779), (2397, 12607), (5403, 5593)]