201390441

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 323241984

約数和(自身を除く): 121851543

約数列:

[1, 3, 7, 21, 47, 49, 103, 141, 147, 283, 309, 329, 721, 849, 987, 1981, 2163, 2303, 4841, 5047, 5943, 6909, 13301, 13867, 14523, 15141, 29149, 33887, 39903, 41601, 87447, 93107, 101661, 204043, 237209, 279321, 612129, 651749, 711627, 1370003, 1428301, 1955247, 4110009, 4284903, 9590021, 28770063, 67130147, 201390441]

約数ペア:

[(1, 201390441), (3, 67130147), (7, 28770063), (21, 9590021), (47, 4284903), (49, 4110009), (103, 1955247), (141, 1428301), (147, 1370003), (283, 711627), (309, 651749), (329, 612129), (721, 279321), (849, 237209), (987, 204043), (1981, 101661), (2163, 93107), (2303, 87447), (4841, 41601), (5047, 39903), (5943, 33887), (6909, 29149), (13301, 15141), (13867, 14523)]