2128455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 4380480

約数和(自身を除く): 2252025

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 233, 261, 315, 435, 609, 699, 1015, 1165, 1305, 1631, 1827, 2097, 3045, 3495, 4893, 6757, 8155, 9135, 10485, 14679, 20271, 24465, 33785, 47299, 60813, 73395, 101355, 141897, 236495, 304065, 425691, 709485, 2128455]

約数ペア:

[(1, 2128455), (3, 709485), (5, 425691), (7, 304065), (9, 236495), (15, 141897), (21, 101355), (29, 73395), (35, 60813), (45, 47299), (63, 33785), (87, 24465), (105, 20271), (145, 14679), (203, 10485), (233, 9135), (261, 8155), (315, 6757), (435, 4893), (609, 3495), (699, 3045), (1015, 2097), (1165, 1827), (1305, 1631)]