211988145

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 344035584

約数和(自身を除く): 132047439

約数列:

[1, 3, 5, 15, 151, 173, 453, 519, 541, 755, 865, 1623, 2265, 2595, 2705, 8115, 26123, 78369, 81691, 93593, 130615, 245073, 280779, 391845, 408455, 467965, 1225365, 1403895, 14132543, 42397629, 70662715, 211988145]

約数ペア:

[(1, 211988145), (3, 70662715), (5, 42397629), (15, 14132543), (151, 1403895), (173, 1225365), (453, 467965), (519, 408455), (541, 391845), (755, 280779), (865, 245073), (1623, 130615), (2265, 93593), (2595, 81691), (2705, 78369), (8115, 26123)]