7904925

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{239}}^1$

素因数の和:272

約数の個数: 72

約数和(自身を含む): 16963200

約数和(自身を除く): 9058275

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 225, 239, 245, 315, 441, 525, 675, 717, 735, 945, 1195, 1225, 1323, 1575, 1673, 2151, 2205, 3585, 3675, 4725, 5019, 5975, 6453, 6615, 8365, 10755, 11025, 11711, 15057, 17925, 25095, 32265, 33075, 35133, 41825, 45171, 53775, 58555, 75285, 105399, 125475, 161325, 175665, 225855, 292775, 316197, 376425, 526995, 878325, 1129275, 1580985, 2634975, 7904925]

約数ペア:

[(1, 7904925), (3, 2634975), (5, 1580985), (7, 1129275), (9, 878325), (15, 526995), (21, 376425), (25, 316197), (27, 292775), (35, 225855), (45, 175665), (49, 161325), (63, 125475), (75, 105399), (105, 75285), (135, 58555), (147, 53775), (175, 45171), (189, 41825), (225, 35133), (239, 33075), (245, 32265), (315, 25095), (441, 17925), (525, 15057), (675, 11711), (717, 11025), (735, 10755), (945, 8365), (1195, 6615), (1225, 6453), (1323, 5975), (1575, 5019), (1673, 4725), (2151, 3675), (2205, 3585)]