15961197

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 25907200

約数和(自身を除く): 9946003

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 367, 399, 763, 1101, 2071, 2289, 2569, 6213, 6973, 7707, 14497, 20919, 40003, 43491, 48811, 120009, 146433, 280021, 760057, 840063, 2280171, 5320399, 15961197]

約数ペア:

[(1, 15961197), (3, 5320399), (7, 2280171), (19, 840063), (21, 760057), (57, 280021), (109, 146433), (133, 120009), (327, 48811), (367, 43491), (399, 40003), (763, 20919), (1101, 14497), (2071, 7707), (2289, 6973), (2569, 6213)]