31242645

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{4723}}^1$

素因数の和:4751

約数の個数: 48

約数和(自身を含む): 64624320

約数和(自身を除く): 33381675

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 4723, 6615, 14169, 23615, 33061, 42507, 70845, 99183, 127521, 165305, 212535, 231427, 297549, 495915, 637605, 694281, 892647, 1157135, 1487745, 2082843, 3471405, 4463235, 6248529, 10414215, 31242645]

約数ペア:

[(1, 31242645), (3, 10414215), (5, 6248529), (7, 4463235), (9, 3471405), (15, 2082843), (21, 1487745), (27, 1157135), (35, 892647), (45, 694281), (49, 637605), (63, 495915), (105, 297549), (135, 231427), (147, 212535), (189, 165305), (245, 127521), (315, 99183), (441, 70845), (735, 42507), (945, 33061), (1323, 23615), (2205, 14169), (4723, 6615)]