201208455

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{10139}}^1$

素因数の和:10170

約数の個数: 60

約数和(自身を含む): 419613480

約数和(自身を除く): 218405025

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1323, 2205, 2835, 3969, 6615, 10139, 19845, 30417, 50695, 70973, 91251, 152085, 212919, 273753, 354865, 456255, 496811, 638757, 821259, 1064595, 1368765, 1490433, 1916271, 2484055, 3193785, 4106295, 4471299, 5748813, 7452165, 9581355, 13413897, 22356495, 28744065, 40241691, 67069485, 201208455]

約数ペア:

[(1, 201208455), (3, 67069485), (5, 40241691), (7, 28744065), (9, 22356495), (15, 13413897), (21, 9581355), (27, 7452165), (35, 5748813), (45, 4471299), (49, 4106295), (63, 3193785), (81, 2484055), (105, 1916271), (135, 1490433), (147, 1368765), (189, 1064595), (245, 821259), (315, 638757), (405, 496811), (441, 456255), (567, 354865), (735, 273753), (945, 212919), (1323, 152085), (2205, 91251), (2835, 70973), (3969, 50695), (6615, 30417), (10139, 19845)]