1256503455

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{404671}}^1$

素因数の和:404708

約数の個数: 32

約数和(自身を含む): 2330910720

約数和(自身を除く): 1074407265

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 404671, 1214013, 2023355, 3642039, 6070065, 9307433, 10926117, 18210195, 27922299, 46537165, 54630585, 83766897, 139611495, 251300691, 418834485, 1256503455]

約数ペア:

[(1, 1256503455), (3, 418834485), (5, 251300691), (9, 139611495), (15, 83766897), (23, 54630585), (27, 46537165), (45, 27922299), (69, 18210195), (115, 10926117), (135, 9307433), (207, 6070065), (345, 3642039), (621, 2023355), (1035, 1214013), (3105, 404671)]