165965985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{7481}}^1$

素因数の和:7538

約数の個数: 48

約数和(自身を含む): 315141840

約数和(自身を除く): 149175855

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 1305, 1479, 2465, 4437, 7395, 7481, 22185, 22443, 37405, 67329, 112215, 127177, 216949, 336645, 381531, 635885, 650847, 1084745, 1144593, 1907655, 1952541, 3254235, 3688133, 5722965, 9762705, 11064399, 18440665, 33193197, 55321995, 165965985]

約数ペア:

[(1, 165965985), (3, 55321995), (5, 33193197), (9, 18440665), (15, 11064399), (17, 9762705), (29, 5722965), (45, 3688133), (51, 3254235), (85, 1952541), (87, 1907655), (145, 1144593), (153, 1084745), (255, 650847), (261, 635885), (435, 381531), (493, 336645), (765, 216949), (1305, 127177), (1479, 112215), (2465, 67329), (4437, 37405), (7395, 22443), (7481, 22185)]