1901445

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 3830400

約数和(自身を除く): 1928955

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 199, 245, 273, 455, 597, 637, 735, 995, 1365, 1393, 1911, 2587, 2985, 3185, 4179, 6965, 7761, 9555, 9751, 12935, 18109, 20895, 29253, 38805, 48755, 54327, 90545, 126763, 146265, 271635, 380289, 633815, 1901445]

約数ペア:

[(1, 1901445), (3, 633815), (5, 380289), (7, 271635), (13, 146265), (15, 126763), (21, 90545), (35, 54327), (39, 48755), (49, 38805), (65, 29253), (91, 20895), (105, 18109), (147, 12935), (195, 9751), (199, 9555), (245, 7761), (273, 6965), (455, 4179), (597, 3185), (637, 2985), (735, 2587), (995, 1911), (1365, 1393)]