628785

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 1109160

約数和(自身を除く): 480375

約数列:

[1, 3, 5, 9, 15, 45, 89, 157, 267, 445, 471, 785, 801, 1335, 1413, 2355, 4005, 7065, 13973, 41919, 69865, 125757, 209595, 628785]

約数ペア:

[(1, 628785), (3, 209595), (5, 125757), (9, 69865), (15, 41919), (45, 13973), (89, 7065), (157, 4005), (267, 2355), (445, 1413), (471, 1335), (785, 801)]