10421865

素因数分解:

$3^4\times 5^1\times {\mathrm{25733}}^1$

素因数の和:25750

約数の個数: 20

約数和(自身を含む): 18682884

約数和(自身を除く): 8261019

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 25733, 77199, 128665, 231597, 385995, 694791, 1157985, 2084373, 3473955, 10421865]

約数ペア:

[(1, 10421865), (3, 3473955), (5, 2084373), (9, 1157985), (15, 694791), (27, 385995), (45, 231597), (81, 128665), (135, 77199), (405, 25733)]