188571789

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{599}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 329472000

約数和(自身を除く): 140900211

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 263, 399, 599, 789, 1197, 1797, 1841, 2367, 4193, 4997, 5391, 5523, 11381, 12579, 14991, 16569, 34143, 34979, 37737, 44973, 79667, 102429, 104937, 157537, 239001, 314811, 472611, 717003, 1102759, 1417833, 2993203, 3308277, 8979609, 9924831, 20952421, 26938827, 62857263, 188571789]

約数ペア:

[(1, 188571789), (3, 62857263), (7, 26938827), (9, 20952421), (19, 9924831), (21, 8979609), (57, 3308277), (63, 2993203), (133, 1417833), (171, 1102759), (263, 717003), (399, 472611), (599, 314811), (789, 239001), (1197, 157537), (1797, 104937), (1841, 102429), (2367, 79667), (4193, 44973), (4997, 37737), (5391, 34979), (5523, 34143), (11381, 16569), (12579, 14991)]