2013178131

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{16427}}^1$

素因数の和:16545

約数の個数: 40

約数和(自身を含む): 3220216560

約数和(自身を除く): 1207038429

約数列:

[1, 3, 9, 17, 27, 51, 81, 89, 153, 267, 459, 801, 1377, 1513, 2403, 4539, 7209, 13617, 16427, 40851, 49281, 122553, 147843, 279259, 443529, 837777, 1330587, 1462003, 2513331, 4386009, 7539993, 13158027, 22619979, 24854051, 39474081, 74562153, 118422243, 223686459, 671059377, 2013178131]

約数ペア:

[(1, 2013178131), (3, 671059377), (9, 223686459), (17, 118422243), (27, 74562153), (51, 39474081), (81, 24854051), (89, 22619979), (153, 13158027), (267, 7539993), (459, 4386009), (801, 2513331), (1377, 1462003), (1513, 1330587), (2403, 837777), (4539, 443529), (7209, 279259), (13617, 147843), (16427, 122553), (40851, 49281)]