207875367

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 356947968

約数和(自身を除く): 149072601

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 163, 217, 279, 489, 651, 653, 1141, 1467, 1953, 1959, 3423, 4571, 5053, 5877, 10269, 13713, 15159, 20243, 35371, 41139, 45477, 60729, 106113, 106439, 141701, 182187, 318339, 319317, 425103, 745073, 957951, 1275309, 2235219, 3299609, 6705657, 9898827, 23097263, 29696481, 69291789, 207875367]

約数ペア:

[(1, 207875367), (3, 69291789), (7, 29696481), (9, 23097263), (21, 9898827), (31, 6705657), (63, 3299609), (93, 2235219), (163, 1275309), (217, 957951), (279, 745073), (489, 425103), (651, 319317), (653, 318339), (1141, 182187), (1467, 141701), (1953, 106439), (1959, 106113), (3423, 60729), (4571, 45477), (5053, 41139), (5877, 35371), (10269, 20243), (13713, 15159)]