305401245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{1381}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 511052544

約数和(自身を除く): 205651299

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 641, 1381, 1923, 3205, 4143, 6905, 9615, 14743, 20715, 31763, 44229, 73715, 95289, 158815, 221145, 476445, 885221, 2655663, 4426105, 13278315, 20360083, 61080249, 101800415, 305401245]

約数ペア:

[(1, 305401245), (3, 101800415), (5, 61080249), (15, 20360083), (23, 13278315), (69, 4426105), (115, 2655663), (345, 885221), (641, 476445), (1381, 221145), (1923, 158815), (3205, 95289), (4143, 73715), (6905, 44229), (9615, 31763), (14743, 20715)]