42157155

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 70272000

約数和(自身を除く): 28114845

約数列:

[1, 3, 5, 15, 29, 87, 145, 199, 435, 487, 597, 995, 1461, 2435, 2985, 5771, 7305, 14123, 17313, 28855, 42369, 70615, 86565, 96913, 211845, 290739, 484565, 1453695, 2810477, 8431431, 14052385, 42157155]

約数ペア:

[(1, 42157155), (3, 14052385), (5, 8431431), (15, 2810477), (29, 1453695), (87, 484565), (145, 290739), (199, 211845), (435, 96913), (487, 86565), (597, 70615), (995, 42369), (1461, 28855), (2435, 17313), (2985, 14123), (5771, 7305)]