201954555

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2503}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 384374016

約数和(自身を除く): 182419461

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 163, 165, 489, 495, 815, 1467, 1793, 2445, 2503, 5379, 7335, 7509, 8965, 12515, 16137, 22527, 26895, 27533, 37545, 80685, 82599, 112635, 137665, 247797, 407989, 412995, 1223967, 1238985, 2039945, 3671901, 4487879, 6119835, 13463637, 18359505, 22439395, 40390911, 67318185, 201954555]

約数ペア:

[(1, 201954555), (3, 67318185), (5, 40390911), (9, 22439395), (11, 18359505), (15, 13463637), (33, 6119835), (45, 4487879), (55, 3671901), (99, 2039945), (163, 1238985), (165, 1223967), (489, 412995), (495, 407989), (815, 247797), (1467, 137665), (1793, 112635), (2445, 82599), (2503, 80685), (5379, 37545), (7335, 27533), (7509, 26895), (8965, 22527), (12515, 16137)]