29721783

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 50459136

約数和(自身を除く): 20737353

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 103, 147, 151, 273, 309, 453, 637, 721, 1057, 1339, 1911, 1963, 2163, 3171, 4017, 5047, 5889, 7399, 9373, 13741, 15141, 15553, 22197, 28119, 41223, 46659, 65611, 96187, 108871, 196833, 202189, 288561, 326613, 606567, 762097, 1415323, 2286291, 4245969, 9907261, 29721783]

約数ペア:

[(1, 29721783), (3, 9907261), (7, 4245969), (13, 2286291), (21, 1415323), (39, 762097), (49, 606567), (91, 326613), (103, 288561), (147, 202189), (151, 196833), (273, 108871), (309, 96187), (453, 65611), (637, 46659), (721, 41223), (1057, 28119), (1339, 22197), (1911, 15553), (1963, 15141), (2163, 13741), (3171, 9373), (4017, 7399), (5047, 5889)]