157215915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1361}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 290661696

約数和(自身を除く): 133445781

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 151, 153, 255, 453, 755, 765, 1359, 1361, 2265, 2567, 4083, 6795, 6805, 7701, 12249, 12835, 20415, 23103, 23137, 38505, 61245, 69411, 115515, 115685, 205511, 208233, 347055, 616533, 1027555, 1041165, 1849599, 3082665, 3493687, 9247995, 10481061, 17468435, 31443183, 52405305, 157215915]

約数ペア:

[(1, 157215915), (3, 52405305), (5, 31443183), (9, 17468435), (15, 10481061), (17, 9247995), (45, 3493687), (51, 3082665), (85, 1849599), (151, 1041165), (153, 1027555), (255, 616533), (453, 347055), (755, 208233), (765, 205511), (1359, 115685), (1361, 115515), (2265, 69411), (2567, 61245), (4083, 38505), (6795, 23137), (6805, 23103), (7701, 20415), (12249, 12835)]