29851983

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 57150720

約数和(自身を除く): 27298737

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 81, 119, 133, 153, 163, 171, 189, 323, 357, 399, 459, 489, 513, 567, 969, 1071, 1141, 1197, 1377, 1467, 1539, 2261, 2771, 2907, 3097, 3213, 3423, 3591, 4401, 6783, 8313, 8721, 9291, 9639, 10269, 10773, 13203, 19397, 20349, 21679, 24939, 26163, 27873, 30807, 52649, 58191, 61047, 65037, 74817, 83619, 92421, 157947, 174573, 183141, 195111, 224451, 250857, 368543, 473841, 523719, 585333, 1105629, 1421523, 1571157, 1755999, 3316887, 4264569, 9950661, 29851983]

約数ペア:

[(1, 29851983), (3, 9950661), (7, 4264569), (9, 3316887), (17, 1755999), (19, 1571157), (21, 1421523), (27, 1105629), (51, 585333), (57, 523719), (63, 473841), (81, 368543), (119, 250857), (133, 224451), (153, 195111), (163, 183141), (171, 174573), (189, 157947), (323, 92421), (357, 83619), (399, 74817), (459, 65037), (489, 61047), (513, 58191), (567, 52649), (969, 30807), (1071, 27873), (1141, 26163), (1197, 24939), (1377, 21679), (1467, 20349), (1539, 19397), (2261, 13203), (2771, 10773), (2907, 10269), (3097, 9639), (3213, 9291), (3423, 8721), (3591, 8313), (4401, 6783)]