61393815

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{9281}}^1$

素因数の和:9309

約数の個数: 48

約数和(自身を含む): 126977760

約数和(自身を除く): 65583945

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, 6615, 9281, 27843, 46405, 64967, 83529, 139215, 194901, 250587, 324835, 417645, 454769, 584703, 974505, 1252935, 1364307, 1754109, 2273845, 2923515, 4092921, 6821535, 8770545, 12278763, 20464605, 61393815]

約数ペア:

[(1, 61393815), (3, 20464605), (5, 12278763), (7, 8770545), (9, 6821535), (15, 4092921), (21, 2923515), (27, 2273845), (35, 1754109), (45, 1364307), (49, 1252935), (63, 974505), (105, 584703), (135, 454769), (147, 417645), (189, 324835), (245, 250587), (315, 194901), (441, 139215), (735, 83529), (945, 64967), (1323, 46405), (2205, 27843), (6615, 9281)]