231954783

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 335819520

約数和(自身を除く): 103864737

約数列:

[1, 3, 17, 51, 59, 157, 177, 471, 491, 1003, 1473, 2669, 3009, 8007, 8347, 9263, 25041, 27789, 28969, 77087, 86907, 157471, 231261, 472413, 492473, 1310479, 1477419, 3931437, 4548133, 13644399, 77318261, 231954783]

約数ペア:

[(1, 231954783), (3, 77318261), (17, 13644399), (51, 4548133), (59, 3931437), (157, 1477419), (177, 1310479), (471, 492473), (491, 472413), (1003, 231261), (1473, 157471), (2669, 86907), (3009, 77087), (8007, 28969), (8347, 27789), (9263, 25041)]