218473605

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 464306040

約数和(自身を除く): 245832435

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 101, 105, 109, 135, 147, 189, 245, 303, 315, 327, 405, 441, 505, 545, 567, 707, 735, 763, 909, 945, 981, 1323, 1515, 1635, 2121, 2205, 2289, 2727, 2835, 2943, 3535, 3815, 3969, 4545, 4905, 4949, 5341, 6363, 6615, 6867, 8181, 8829, 10605, 11009, 11445, 13635, 14715, 14847, 16023, 19089, 19845, 20601, 24745, 26705, 31815, 33027, 34335, 40905, 44145, 44541, 48069, 55045, 57267, 61803, 74235, 77063, 80115, 95445, 99081, 103005, 133623, 144207, 165135, 222705, 231189, 240345, 286335, 297243, 309015, 385315, 400869, 432621, 495405, 539441, 668115, 693567, 721035, 891729, 1155945, 1486215, 1618323, 2004345, 2080701, 2163105, 2697205, 3467835, 4458645, 4854969, 6242103, 8091615, 10403505, 14564907, 24274845, 31210515, 43694721, 72824535, 218473605]

約数ペア:

[(1, 218473605), (3, 72824535), (5, 43694721), (7, 31210515), (9, 24274845), (15, 14564907), (21, 10403505), (27, 8091615), (35, 6242103), (45, 4854969), (49, 4458645), (63, 3467835), (81, 2697205), (101, 2163105), (105, 2080701), (109, 2004345), (135, 1618323), (147, 1486215), (189, 1155945), (245, 891729), (303, 721035), (315, 693567), (327, 668115), (405, 539441), (441, 495405), (505, 432621), (545, 400869), (567, 385315), (707, 309015), (735, 297243), (763, 286335), (909, 240345), (945, 231189), (981, 222705), (1323, 165135), (1515, 144207), (1635, 133623), (2121, 103005), (2205, 99081), (2289, 95445), (2727, 80115), (2835, 77063), (2943, 74235), (3535, 61803), (3815, 57267), (3969, 55045), (4545, 48069), (4905, 44541), (4949, 44145), (5341, 40905), (6363, 34335), (6615, 33027), (6867, 31815), (8181, 26705), (8829, 24745), (10605, 20601), (11009, 19845), (11445, 19089), (13635, 16023), (14715, 14847)]