227445561

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1367}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 398361600

約数和(自身を除く): 170916039

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 139, 171, 399, 417, 973, 1197, 1251, 1367, 2641, 2919, 4101, 7923, 8757, 9569, 12303, 18487, 23769, 25973, 28707, 55461, 77919, 86121, 166383, 181811, 190013, 233757, 545433, 570039, 1330091, 1636299, 1710117, 3610247, 3990273, 10830741, 11970819, 25271729, 32492223, 75815187, 227445561]

約数ペア:

[(1, 227445561), (3, 75815187), (7, 32492223), (9, 25271729), (19, 11970819), (21, 10830741), (57, 3990273), (63, 3610247), (133, 1710117), (139, 1636299), (171, 1330091), (399, 570039), (417, 545433), (973, 233757), (1197, 190013), (1251, 181811), (1367, 166383), (2641, 86121), (2919, 77919), (4101, 55461), (7923, 28707), (8757, 25973), (9569, 23769), (12303, 18487)]