31184265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 59719680

約数和(自身を除く): 28535415

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 71, 89, 105, 141, 213, 235, 267, 329, 355, 445, 497, 623, 705, 987, 1065, 1335, 1491, 1645, 1869, 2485, 3115, 3337, 4183, 4935, 6319, 7455, 9345, 10011, 12549, 16685, 18957, 20915, 23359, 29281, 31595, 44233, 50055, 62745, 70077, 87843, 94785, 116795, 132699, 146405, 221165, 296993, 350385, 439215, 663495, 890979, 1484965, 2078951, 4454895, 6236853, 10394755, 31184265]

約数ペア:

[(1, 31184265), (3, 10394755), (5, 6236853), (7, 4454895), (15, 2078951), (21, 1484965), (35, 890979), (47, 663495), (71, 439215), (89, 350385), (105, 296993), (141, 221165), (213, 146405), (235, 132699), (267, 116795), (329, 94785), (355, 87843), (445, 70077), (497, 62745), (623, 50055), (705, 44233), (987, 31595), (1065, 29281), (1335, 23359), (1491, 20915), (1645, 18957), (1869, 16685), (2485, 12549), (3115, 10011), (3337, 9345), (4183, 7455), (4935, 6319)]