161221914

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8363}}^1$

素因数の和:8401

約数の個数: 80

約数和(自身を含む): 437203008

約数和(自身を除く): 275981094

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 81, 102, 119, 126, 153, 162, 189, 238, 306, 357, 378, 459, 567, 714, 918, 1071, 1134, 1377, 2142, 2754, 3213, 6426, 8363, 9639, 16726, 19278, 25089, 50178, 58541, 75267, 117082, 142171, 150534, 175623, 225801, 284342, 351246, 426513, 451602, 526869, 677403, 853026, 995197, 1053738, 1279539, 1354806, 1580607, 1990394, 2559078, 2985591, 3161214, 3838617, 4741821, 5971182, 7677234, 8956773, 9483642, 11515851, 17913546, 23031702, 26870319, 53740638, 80610957, 161221914]

約数ペア:

[(1, 161221914), (2, 80610957), (3, 53740638), (6, 26870319), (7, 23031702), (9, 17913546), (14, 11515851), (17, 9483642), (18, 8956773), (21, 7677234), (27, 5971182), (34, 4741821), (42, 3838617), (51, 3161214), (54, 2985591), (63, 2559078), (81, 1990394), (102, 1580607), (119, 1354806), (126, 1279539), (153, 1053738), (162, 995197), (189, 853026), (238, 677403), (306, 526869), (357, 451602), (378, 426513), (459, 351246), (567, 284342), (714, 225801), (918, 175623), (1071, 150534), (1134, 142171), (1377, 117082), (2142, 75267), (2754, 58541), (3213, 50178), (6426, 25089), (8363, 19278), (9639, 16726)]