31392465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 58732800

約数和(自身を除く): 27340335

約数列:

[1, 3, 5, 13, 15, 19, 37, 39, 57, 65, 95, 111, 185, 195, 229, 247, 285, 481, 555, 687, 703, 741, 1145, 1235, 1443, 2109, 2405, 2977, 3435, 3515, 3705, 4351, 7215, 8473, 8931, 9139, 10545, 13053, 14885, 21755, 25419, 27417, 42365, 44655, 45695, 56563, 65265, 110149, 127095, 137085, 160987, 169689, 282815, 330447, 482961, 550745, 804935, 848445, 1652235, 2092831, 2414805, 6278493, 10464155, 31392465]

約数ペア:

[(1, 31392465), (3, 10464155), (5, 6278493), (13, 2414805), (15, 2092831), (19, 1652235), (37, 848445), (39, 804935), (57, 550745), (65, 482961), (95, 330447), (111, 282815), (185, 169689), (195, 160987), (229, 137085), (247, 127095), (285, 110149), (481, 65265), (555, 56563), (687, 45695), (703, 44655), (741, 42365), (1145, 27417), (1235, 25419), (1443, 21755), (2109, 14885), (2405, 13053), (2977, 10545), (3435, 9139), (3515, 8931), (3705, 8473), (4351, 7215)]