31887135

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 66447360

約数和(自身を除く): 34560225

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 63, 105, 123, 135, 189, 205, 287, 315, 369, 615, 823, 861, 945, 1107, 1435, 1845, 2469, 2583, 4115, 4305, 5535, 5761, 7407, 7749, 12345, 12915, 17283, 22221, 28805, 33743, 37035, 38745, 51849, 86415, 101229, 111105, 155547, 168715, 236201, 259245, 303687, 506145, 708603, 777735, 911061, 1181005, 1518435, 2125809, 3543015, 4555305, 6377427, 10629045, 31887135]

約数ペア:

[(1, 31887135), (3, 10629045), (5, 6377427), (7, 4555305), (9, 3543015), (15, 2125809), (21, 1518435), (27, 1181005), (35, 911061), (41, 777735), (45, 708603), (63, 506145), (105, 303687), (123, 259245), (135, 236201), (189, 168715), (205, 155547), (287, 111105), (315, 101229), (369, 86415), (615, 51849), (823, 38745), (861, 37035), (945, 33743), (1107, 28805), (1435, 22221), (1845, 17283), (2469, 12915), (2583, 12345), (4115, 7749), (4305, 7407), (5535, 5761)]