81903132

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 213829616

約数和(自身を除く): 131926484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 157, 172, 258, 314, 337, 387, 471, 516, 628, 674, 774, 942, 1011, 1348, 1413, 1548, 1884, 2022, 2826, 3033, 4044, 5652, 6066, 6751, 12132, 13502, 14491, 20253, 27004, 28982, 40506, 43473, 52909, 57964, 60759, 81012, 86946, 105818, 121518, 130419, 158727, 173892, 211636, 243036, 260838, 317454, 476181, 521676, 634908, 952362, 1904724, 2275087, 4550174, 6825261, 9100348, 13650522, 20475783, 27301044, 40951566, 81903132]

約数ペア:

[(1, 81903132), (2, 40951566), (3, 27301044), (4, 20475783), (6, 13650522), (9, 9100348), (12, 6825261), (18, 4550174), (36, 2275087), (43, 1904724), (86, 952362), (129, 634908), (157, 521676), (172, 476181), (258, 317454), (314, 260838), (337, 243036), (387, 211636), (471, 173892), (516, 158727), (628, 130419), (674, 121518), (774, 105818), (942, 86946), (1011, 81012), (1348, 60759), (1413, 57964), (1548, 52909), (1884, 43473), (2022, 40506), (2826, 28982), (3033, 27004), (4044, 20253), (5652, 14491), (6066, 13502), (6751, 12132)]