16904025

素因数分解:

$3^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 31545600

約数和(自身を除く): 14641575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 79, 135, 225, 237, 317, 395, 675, 711, 951, 1185, 1585, 1975, 2133, 2853, 3555, 4755, 5925, 7925, 8559, 10665, 14265, 17775, 23775, 25043, 42795, 53325, 71325, 75129, 125215, 213975, 225387, 375645, 626075, 676161, 1126935, 1878225, 3380805, 5634675, 16904025]

約数ペア:

[(1, 16904025), (3, 5634675), (5, 3380805), (9, 1878225), (15, 1126935), (25, 676161), (27, 626075), (45, 375645), (75, 225387), (79, 213975), (135, 125215), (225, 75129), (237, 71325), (317, 53325), (395, 42795), (675, 25043), (711, 23775), (951, 17775), (1185, 14265), (1585, 10665), (1975, 8559), (2133, 7925), (2853, 5925), (3555, 4755)]