1396215

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 2695680

約数和(自身を除く): 1299465

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 71, 95, 115, 171, 207, 213, 285, 345, 355, 437, 639, 855, 1035, 1065, 1311, 1349, 1633, 2185, 3195, 3933, 4047, 4899, 6555, 6745, 8165, 12141, 14697, 19665, 20235, 24495, 31027, 60705, 73485, 93081, 155135, 279243, 465405, 1396215]

約数ペア:

[(1, 1396215), (3, 465405), (5, 279243), (9, 155135), (15, 93081), (19, 73485), (23, 60705), (45, 31027), (57, 24495), (69, 20235), (71, 19665), (95, 14697), (115, 12141), (171, 8165), (207, 6745), (213, 6555), (285, 4899), (345, 4047), (355, 3933), (437, 3195), (639, 2185), (855, 1633), (1035, 1349), (1065, 1311)]