1317645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 2695680

約数和(自身を除く): 1378035

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 89, 105, 141, 235, 267, 315, 329, 423, 445, 623, 705, 801, 987, 1335, 1645, 1869, 2115, 2961, 3115, 4005, 4183, 4935, 5607, 9345, 12549, 14805, 20915, 28035, 29281, 37647, 62745, 87843, 146405, 188235, 263529, 439215, 1317645]

約数ペア:

[(1, 1317645), (3, 439215), (5, 263529), (7, 188235), (9, 146405), (15, 87843), (21, 62745), (35, 37647), (45, 29281), (47, 28035), (63, 20915), (89, 14805), (105, 12549), (141, 9345), (235, 5607), (267, 4935), (315, 4183), (329, 4005), (423, 3115), (445, 2961), (623, 2115), (705, 1869), (801, 1645), (987, 1335)]