81399149

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 95606784

約数和(自身を除く): 14207635

約数列:

[1, 13, 31, 37, 53, 103, 403, 481, 689, 1147, 1339, 1643, 1961, 3193, 3811, 5459, 14911, 21359, 25493, 41509, 49543, 60791, 70967, 118141, 169229, 201983, 790283, 1535833, 2199977, 2625779, 6261473, 81399149]

約数ペア:

[(1, 81399149), (13, 6261473), (31, 2625779), (37, 2199977), (53, 1535833), (103, 790283), (403, 201983), (481, 169229), (689, 118141), (1147, 70967), (1339, 60791), (1643, 49543), (1961, 41509), (3193, 25493), (3811, 21359), (5459, 14911)]