23880015

素因数分解:

$3^4\times 5^1\times {\mathrm{58963}}^1$

素因数の和:58980

約数の個数: 20

約数和(自身を含む): 42807864

約数和(自身を除く): 18927849

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 58963, 176889, 294815, 530667, 884445, 1592001, 2653335, 4776003, 7960005, 23880015]

約数ペア:

[(1, 23880015), (3, 7960005), (5, 4776003), (9, 2653335), (15, 1592001), (27, 884445), (45, 530667), (81, 294815), (135, 176889), (405, 58963)]