31249965

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 54864000

約数和(自身を除く): 23614035

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 199, 285, 361, 435, 551, 597, 995, 1083, 1653, 1805, 2755, 2985, 3781, 5415, 5771, 8265, 10469, 11343, 17313, 18905, 28855, 31407, 52345, 56715, 71839, 86565, 109649, 157035, 215517, 328947, 359195, 548245, 1077585, 1644735, 2083331, 6249993, 10416655, 31249965]

約数ペア:

[(1, 31249965), (3, 10416655), (5, 6249993), (15, 2083331), (19, 1644735), (29, 1077585), (57, 548245), (87, 359195), (95, 328947), (145, 215517), (199, 157035), (285, 109649), (361, 86565), (435, 71839), (551, 56715), (597, 52345), (995, 31407), (1083, 28855), (1653, 18905), (1805, 17313), (2755, 11343), (2985, 10469), (3781, 8265), (5415, 5771)]