30688281

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 53625600

約数和(自身を除く): 22937319

約数列:

[1, 3, 9, 13, 17, 27, 37, 39, 51, 111, 117, 139, 153, 221, 333, 351, 417, 459, 481, 629, 663, 999, 1251, 1443, 1807, 1887, 1989, 2363, 3753, 4329, 5143, 5421, 5661, 5967, 7089, 8177, 12987, 15429, 16263, 16983, 21267, 24531, 30719, 46287, 48789, 63801, 66859, 73593, 87431, 92157, 138861, 200577, 220779, 262293, 276471, 601731, 786879, 829413, 1136603, 1805193, 2360637, 3409809, 10229427, 30688281]

約数ペア:

[(1, 30688281), (3, 10229427), (9, 3409809), (13, 2360637), (17, 1805193), (27, 1136603), (37, 829413), (39, 786879), (51, 601731), (111, 276471), (117, 262293), (139, 220779), (153, 200577), (221, 138861), (333, 92157), (351, 87431), (417, 73593), (459, 66859), (481, 63801), (629, 48789), (663, 46287), (999, 30719), (1251, 24531), (1443, 21267), (1807, 16983), (1887, 16263), (1989, 15429), (2363, 12987), (3753, 8177), (4329, 7089), (5143, 5967), (5421, 5661)]