9905203

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 14183424

約数和(自身を除く): 4278221

約数列:

[1, 7, 11, 17, 23, 47, 49, 77, 119, 161, 187, 253, 329, 391, 517, 539, 799, 833, 1081, 1127, 1309, 1771, 2303, 2737, 3619, 4301, 5593, 7567, 8789, 9163, 11891, 12397, 18377, 19159, 25333, 30107, 39151, 52969, 61523, 83237, 128639, 202147, 210749, 430661, 582659, 900473, 1415029, 9905203]

約数ペア:

[(1, 9905203), (7, 1415029), (11, 900473), (17, 582659), (23, 430661), (47, 210749), (49, 202147), (77, 128639), (119, 83237), (161, 61523), (187, 52969), (253, 39151), (329, 30107), (391, 25333), (517, 19159), (539, 18377), (799, 12397), (833, 11891), (1081, 9163), (1127, 8789), (1309, 7567), (1771, 5593), (2303, 4301), (2737, 3619)]