318489927

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{5521}}^1$

素因数の和:5639

約数の個数: 32

約数和(自身を含む): 504666624

約数和(自身を除く): 186176697

約数列:

[1, 3, 7, 21, 41, 67, 123, 201, 287, 469, 861, 1407, 2747, 5521, 8241, 16563, 19229, 38647, 57687, 115941, 226361, 369907, 679083, 1109721, 1584527, 2589349, 4753581, 7768047, 15166187, 45498561, 106163309, 318489927]

約数ペア:

[(1, 318489927), (3, 106163309), (7, 45498561), (21, 15166187), (41, 7768047), (67, 4753581), (123, 2589349), (201, 1584527), (287, 1109721), (469, 679083), (861, 369907), (1407, 226361), (2747, 115941), (5521, 57687), (8241, 38647), (16563, 19229)]