291228147

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1237}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 499042752

約数和(自身を除く): 207814605

約数列:

[1, 3, 7, 9, 21, 37, 63, 101, 111, 259, 303, 333, 707, 777, 909, 1237, 2121, 2331, 3711, 3737, 6363, 8659, 11133, 11211, 25977, 26159, 33633, 45769, 77931, 78477, 124937, 137307, 235431, 320383, 374811, 411921, 874559, 961149, 1124433, 2623677, 2883447, 4622669, 7871031, 13868007, 32358683, 41604021, 97076049, 291228147]

約数ペア:

[(1, 291228147), (3, 97076049), (7, 41604021), (9, 32358683), (21, 13868007), (37, 7871031), (63, 4622669), (101, 2883447), (111, 2623677), (259, 1124433), (303, 961149), (333, 874559), (707, 411921), (777, 374811), (909, 320383), (1237, 235431), (2121, 137307), (2331, 124937), (3711, 78477), (3737, 77931), (6363, 45769), (8659, 33633), (11133, 26159), (11211, 25977)]