989106723

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1439}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 1601233920

約数和(自身を除く): 612127197

約数列:

[1, 3, 9, 11, 33, 53, 99, 131, 159, 393, 477, 583, 1179, 1439, 1441, 1749, 4317, 4323, 5247, 6943, 12951, 12969, 15829, 20829, 47487, 62487, 76267, 76373, 142461, 188509, 228801, 229119, 565527, 686403, 687357, 838937, 1696581, 2073599, 2516811, 6220797, 7550433, 9990977, 18662391, 29972931, 89918793, 109900747, 329702241, 989106723]

約数ペア:

[(1, 989106723), (3, 329702241), (9, 109900747), (11, 89918793), (33, 29972931), (53, 18662391), (99, 9990977), (131, 7550433), (159, 6220797), (393, 2516811), (477, 2073599), (583, 1696581), (1179, 838937), (1439, 687357), (1441, 686403), (1749, 565527), (4317, 229119), (4323, 228801), (5247, 188509), (6943, 142461), (12951, 76373), (12969, 76267), (15829, 62487), (20829, 47487)]