202121487

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2153}}^1$

素因数の和:2245

約数の個数: 40

約数和(自身を含む): 323186160

約数和(自身を除く): 121064673

約数列:

[1, 3, 9, 19, 27, 57, 61, 81, 171, 183, 513, 549, 1159, 1539, 1647, 2153, 3477, 4941, 6459, 10431, 19377, 31293, 40907, 58131, 93879, 122721, 131333, 174393, 368163, 393999, 1104489, 1181997, 2495327, 3313467, 3545991, 7485981, 10637973, 22457943, 67373829, 202121487]

約数ペア:

[(1, 202121487), (3, 67373829), (9, 22457943), (19, 10637973), (27, 7485981), (57, 3545991), (61, 3313467), (81, 2495327), (171, 1181997), (183, 1104489), (513, 393999), (549, 368163), (1159, 174393), (1539, 131333), (1647, 122721), (2153, 93879), (3477, 58131), (4941, 40907), (6459, 31293), (10431, 19377)]