6981075

素因数分解:

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

素因数の和:129

約数の個数: 72

約数和(自身を含む): 13927680

約数和(自身を除く): 6946605

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 45, 57, 69, 71, 75, 95, 115, 171, 207, 213, 225, 285, 345, 355, 437, 475, 575, 639, 855, 1035, 1065, 1311, 1349, 1425, 1633, 1725, 1775, 2185, 3195, 3933, 4047, 4275, 4899, 5175, 5325, 6555, 6745, 8165, 10925, 12141, 14697, 15975, 19665, 20235, 24495, 31027, 32775, 33725, 40825, 60705, 73485, 93081, 98325, 101175, 122475, 155135, 279243, 303525, 367425, 465405, 775675, 1396215, 2327025, 6981075]

約数ペア:

[(1, 6981075), (3, 2327025), (5, 1396215), (9, 775675), (15, 465405), (19, 367425), (23, 303525), (25, 279243), (45, 155135), (57, 122475), (69, 101175), (71, 98325), (75, 93081), (95, 73485), (115, 60705), (171, 40825), (207, 33725), (213, 32775), (225, 31027), (285, 24495), (345, 20235), (355, 19665), (437, 15975), (475, 14697), (575, 12141), (639, 10925), (855, 8165), (1035, 6745), (1065, 6555), (1311, 5325), (1349, 5175), (1425, 4899), (1633, 4275), (1725, 4047), (1775, 3933), (2185, 3195)]