30251538

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{23671}}^1$

素因数の和:23750

約数の個数: 24

約数和(自身を含む): 66470976

約数和(自身を除く): 36219438

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 23671, 47342, 71013, 142026, 213039, 426078, 1680641, 3361282, 5041923, 10083846, 15125769, 30251538]

約数ペア:

[(1, 30251538), (2, 15125769), (3, 10083846), (6, 5041923), (9, 3361282), (18, 1680641), (71, 426078), (142, 213039), (213, 142026), (426, 71013), (639, 47342), (1278, 23671)]