231336609

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3557}}^1$

素因数の和:3749

約数の個数: 32

約数和(自身を含む): 373447680

約数和(自身を除く): 142111071

約数列:

[1, 3, 7, 19, 21, 57, 133, 163, 399, 489, 1141, 3097, 3423, 3557, 9291, 10671, 21679, 24899, 65037, 67583, 74697, 202749, 473081, 579791, 1419243, 1739373, 4058537, 11016029, 12175611, 33048087, 77112203, 231336609]

約数ペア:

[(1, 231336609), (3, 77112203), (7, 33048087), (19, 12175611), (21, 11016029), (57, 4058537), (133, 1739373), (163, 1419243), (399, 579791), (489, 473081), (1141, 202749), (3097, 74697), (3423, 67583), (3557, 65037), (9291, 24899), (10671, 21679)]