221799459

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1877}}^1$

素因数の和:2235

約数の個数: 32

約数和(自身を含む): 359133696

約数和(自身を除く): 137334237

約数列:

[1, 3, 7, 17, 21, 51, 119, 331, 357, 993, 1877, 2317, 5627, 5631, 6951, 13139, 16881, 31909, 39389, 39417, 95727, 118167, 223363, 621287, 670089, 1863861, 4349009, 10561879, 13047027, 31685637, 73933153, 221799459]

約数ペア:

[(1, 221799459), (3, 73933153), (7, 31685637), (17, 13047027), (21, 10561879), (51, 4349009), (119, 1863861), (331, 670089), (357, 621287), (993, 223363), (1877, 118167), (2317, 95727), (5627, 39417), (5631, 39389), (6951, 31909), (13139, 16881)]