77916825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:895

約数の個数: 72

約数和(自身を含む): 162309056

約数和(自身を除く): 84392231

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 61, 63, 75, 105, 175, 183, 225, 305, 315, 427, 525, 549, 811, 915, 1281, 1525, 1575, 2135, 2433, 2745, 3843, 4055, 4575, 5677, 6405, 7299, 10675, 12165, 13725, 17031, 19215, 20275, 28385, 32025, 36495, 49471, 51093, 60825, 85155, 96075, 141925, 148413, 182475, 247355, 255465, 346297, 425775, 445239, 742065, 1038891, 1236775, 1277325, 1731485, 2226195, 3116673, 3710325, 5194455, 8657425, 11130975, 15583365, 25972275, 77916825]

約数ペア:

[(1, 77916825), (3, 25972275), (5, 15583365), (7, 11130975), (9, 8657425), (15, 5194455), (21, 3710325), (25, 3116673), (35, 2226195), (45, 1731485), (61, 1277325), (63, 1236775), (75, 1038891), (105, 742065), (175, 445239), (183, 425775), (225, 346297), (305, 255465), (315, 247355), (427, 182475), (525, 148413), (549, 141925), (811, 96075), (915, 85155), (1281, 60825), (1525, 51093), (1575, 49471), (2135, 36495), (2433, 32025), (2745, 28385), (3843, 20275), (4055, 19215), (4575, 17031), (5677, 13725), (6405, 12165), (7299, 10675)]