1217565

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 2246400

約数和(自身を除く): 1028835

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 311, 435, 783, 933, 1305, 1555, 2799, 3915, 4665, 8397, 9019, 13995, 27057, 41985, 45095, 81171, 135285, 243513, 405855, 1217565]

約数ペア:

[(1, 1217565), (3, 405855), (5, 243513), (9, 135285), (15, 81171), (27, 45095), (29, 41985), (45, 27057), (87, 13995), (135, 9019), (145, 8397), (261, 4665), (311, 3915), (435, 2799), (783, 1555), (933, 1305)]