74961945

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 140789376

約数和(自身を除く): 65827431

約数列:

[1, 3, 5, 9, 15, 23, 45, 47, 67, 69, 115, 141, 201, 207, 235, 335, 345, 423, 529, 603, 705, 1005, 1035, 1081, 1541, 1587, 2115, 2645, 3015, 3149, 3243, 4623, 4761, 5405, 7705, 7935, 9447, 9729, 13869, 15745, 16215, 23115, 23805, 24863, 28341, 35443, 47235, 48645, 69345, 72427, 74589, 106329, 124315, 141705, 177215, 217281, 223767, 318987, 362135, 372945, 531645, 651843, 1086405, 1118835, 1594935, 1665821, 3259215, 4997463, 8329105, 14992389, 24987315, 74961945]

約数ペア:

[(1, 74961945), (3, 24987315), (5, 14992389), (9, 8329105), (15, 4997463), (23, 3259215), (45, 1665821), (47, 1594935), (67, 1118835), (69, 1086405), (115, 651843), (141, 531645), (201, 372945), (207, 362135), (235, 318987), (335, 223767), (345, 217281), (423, 177215), (529, 141705), (603, 124315), (705, 106329), (1005, 74589), (1035, 72427), (1081, 69345), (1541, 48645), (1587, 47235), (2115, 35443), (2645, 28341), (3015, 24863), (3149, 23805), (3243, 23115), (4623, 16215), (4761, 15745), (5405, 13869), (7705, 9729), (7935, 9447)]