199903095

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{90659}}^1$

素因数の和:90684

約数の個数: 36

約数和(自身を含む): 403074360

約数和(自身を除く): 203171265

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 90659, 271977, 453295, 634613, 815931, 1359885, 1903839, 3173065, 4079655, 4442291, 5711517, 9519195, 13326873, 22211455, 28557585, 39980619, 66634365, 199903095]

約数ペア:

[(1, 199903095), (3, 66634365), (5, 39980619), (7, 28557585), (9, 22211455), (15, 13326873), (21, 9519195), (35, 5711517), (45, 4442291), (49, 4079655), (63, 3173065), (105, 1903839), (147, 1359885), (245, 815931), (315, 634613), (441, 453295), (735, 271977), (2205, 90659)]