16861635

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{2549}}^1$

素因数の和:2577

約数の個数: 48

約数和(自身を含む): 34884000

約数和(自身を除く): 18022365

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, 2549, 6615, 7647, 12745, 17843, 22941, 38235, 53529, 68823, 89215, 114705, 124901, 160587, 267645, 344115, 374703, 481761, 624505, 802935, 1124109, 1873515, 2408805, 3372327, 5620545, 16861635]

約数ペア:

[(1, 16861635), (3, 5620545), (5, 3372327), (7, 2408805), (9, 1873515), (15, 1124109), (21, 802935), (27, 624505), (35, 481761), (45, 374703), (49, 344115), (63, 267645), (105, 160587), (135, 124901), (147, 114705), (189, 89215), (245, 68823), (315, 53529), (441, 38235), (735, 22941), (945, 17843), (1323, 12745), (2205, 7647), (2549, 6615)]