3785985

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 8162856

約数和(自身を除く): 4376871

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 101, 105, 119, 147, 153, 245, 255, 303, 315, 357, 441, 505, 595, 707, 735, 765, 833, 909, 1071, 1515, 1717, 1785, 2121, 2205, 2499, 3535, 4165, 4545, 4949, 5151, 5355, 6363, 7497, 8585, 10605, 12019, 12495, 14847, 15453, 24745, 25755, 31815, 36057, 37485, 44541, 60095, 74235, 77265, 84133, 108171, 180285, 222705, 252399, 420665, 540855, 757197, 1261995, 3785985]

約数ペア:

[(1, 3785985), (3, 1261995), (5, 757197), (7, 540855), (9, 420665), (15, 252399), (17, 222705), (21, 180285), (35, 108171), (45, 84133), (49, 77265), (51, 74235), (63, 60095), (85, 44541), (101, 37485), (105, 36057), (119, 31815), (147, 25755), (153, 24745), (245, 15453), (255, 14847), (303, 12495), (315, 12019), (357, 10605), (441, 8585), (505, 7497), (595, 6363), (707, 5355), (735, 5151), (765, 4949), (833, 4545), (909, 4165), (1071, 3535), (1515, 2499), (1717, 2205), (1785, 2121)]