39865095

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 76170240

約数和(自身を除く): 36305145

約数列:

[1, 3, 5, 9, 15, 23, 27, 37, 45, 69, 111, 115, 135, 185, 207, 333, 345, 347, 555, 621, 851, 999, 1035, 1041, 1665, 1735, 2553, 3105, 3123, 4255, 4995, 5205, 7659, 7981, 9369, 12765, 12839, 15615, 22977, 23943, 38295, 38517, 39905, 46845, 64195, 71829, 114885, 115551, 119715, 192585, 215487, 295297, 346653, 359145, 577755, 885891, 1077435, 1476485, 1733265, 2657673, 4429455, 7973019, 13288365, 39865095]

約数ペア:

[(1, 39865095), (3, 13288365), (5, 7973019), (9, 4429455), (15, 2657673), (23, 1733265), (27, 1476485), (37, 1077435), (45, 885891), (69, 577755), (111, 359145), (115, 346653), (135, 295297), (185, 215487), (207, 192585), (333, 119715), (345, 115551), (347, 114885), (555, 71829), (621, 64195), (851, 46845), (999, 39905), (1035, 38517), (1041, 38295), (1665, 23943), (1735, 22977), (2553, 15615), (3105, 12839), (3123, 12765), (4255, 9369), (4995, 7981), (5205, 7659)]