208127925

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 389975040

約数和(自身を除く): 181847115

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 167, 191, 225, 261, 435, 501, 573, 725, 835, 955, 1305, 1503, 1719, 2175, 2505, 2865, 4175, 4775, 4843, 5539, 6525, 7515, 8595, 12525, 14325, 14529, 16617, 24215, 27695, 31897, 37575, 42975, 43587, 49851, 72645, 83085, 95691, 121075, 138475, 159485, 217935, 249255, 287073, 363225, 415425, 478455, 797425, 925013, 1089675, 1246275, 1435365, 2392275, 2775039, 4625065, 7176825, 8325117, 13875195, 23125325, 41625585, 69375975, 208127925]

約数ペア:

[(1, 208127925), (3, 69375975), (5, 41625585), (9, 23125325), (15, 13875195), (25, 8325117), (29, 7176825), (45, 4625065), (75, 2775039), (87, 2392275), (145, 1435365), (167, 1246275), (191, 1089675), (225, 925013), (261, 797425), (435, 478455), (501, 415425), (573, 363225), (725, 287073), (835, 249255), (955, 217935), (1305, 159485), (1503, 138475), (1719, 121075), (2175, 95691), (2505, 83085), (2865, 72645), (4175, 49851), (4775, 43587), (4843, 42975), (5539, 37575), (6525, 31897), (7515, 27695), (8595, 24215), (12525, 16617), (14325, 14529)]