7212345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 13305600

約数和(自身を除く): 6093255

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 461, 745, 1043, 1383, 2235, 2305, 3129, 3227, 5215, 6915, 9681, 15645, 16135, 48405, 68689, 206067, 343445, 480823, 1030335, 1442469, 2404115, 7212345]

約数ペア:

[(1, 7212345), (3, 2404115), (5, 1442469), (7, 1030335), (15, 480823), (21, 343445), (35, 206067), (105, 68689), (149, 48405), (447, 16135), (461, 15645), (745, 9681), (1043, 6915), (1383, 5215), (2235, 3227), (2305, 3129)]