12540015

素因数分解:

$3^5\times 5^1\times {\mathrm{10321}}^1$

素因数の和:10341

約数の個数: 24

約数和(自身を含む): 22543248

約数和(自身を除く): 10003233

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 10321, 30963, 51605, 92889, 154815, 278667, 464445, 836001, 1393335, 2508003, 4180005, 12540015]

約数ペア:

[(1, 12540015), (3, 4180005), (5, 2508003), (9, 1393335), (15, 836001), (27, 464445), (45, 278667), (81, 154815), (135, 92889), (243, 51605), (405, 30963), (1215, 10321)]