3810975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 7887888

約数和(自身を除く): 4076913

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 61, 75, 85, 105, 119, 147, 175, 183, 245, 255, 305, 357, 425, 427, 525, 595, 735, 833, 915, 1037, 1225, 1275, 1281, 1525, 1785, 2135, 2499, 2975, 2989, 3111, 3675, 4165, 4575, 5185, 6405, 7259, 8925, 8967, 10675, 12495, 14945, 15555, 20825, 21777, 25925, 32025, 36295, 44835, 50813, 62475, 74725, 77775, 108885, 152439, 181475, 224175, 254065, 544425, 762195, 1270325, 3810975]

約数ペア:

[(1, 3810975), (3, 1270325), (5, 762195), (7, 544425), (15, 254065), (17, 224175), (21, 181475), (25, 152439), (35, 108885), (49, 77775), (51, 74725), (61, 62475), (75, 50813), (85, 44835), (105, 36295), (119, 32025), (147, 25925), (175, 21777), (183, 20825), (245, 15555), (255, 14945), (305, 12495), (357, 10675), (425, 8967), (427, 8925), (525, 7259), (595, 6405), (735, 5185), (833, 4575), (915, 4165), (1037, 3675), (1225, 3111), (1275, 2989), (1281, 2975), (1525, 2499), (1785, 2135)]