258996825

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 500860800

約数和(自身を除く): 241863975

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 101, 131, 135, 145, 225, 261, 303, 393, 435, 505, 655, 675, 725, 783, 909, 1179, 1305, 1515, 1965, 2175, 2525, 2727, 2929, 3275, 3537, 3799, 3915, 4545, 5895, 6525, 7575, 8787, 9825, 11397, 13231, 13635, 14645, 17685, 18995, 19575, 22725, 26361, 29475, 34191, 39693, 43935, 56985, 66155, 68175, 73225, 79083, 88425, 94975, 102573, 119079, 131805, 170955, 198465, 219675, 284925, 330775, 357237, 383699, 395415, 512865, 595395, 659025, 854775, 992325, 1151097, 1786185, 1918495, 1977075, 2564325, 2976975, 3453291, 5755485, 8930925, 9592475, 10359873, 17266455, 28777425, 51799365, 86332275, 258996825]

約数ペア:

[(1, 258996825), (3, 86332275), (5, 51799365), (9, 28777425), (15, 17266455), (25, 10359873), (27, 9592475), (29, 8930925), (45, 5755485), (75, 3453291), (87, 2976975), (101, 2564325), (131, 1977075), (135, 1918495), (145, 1786185), (225, 1151097), (261, 992325), (303, 854775), (393, 659025), (435, 595395), (505, 512865), (655, 395415), (675, 383699), (725, 357237), (783, 330775), (909, 284925), (1179, 219675), (1305, 198465), (1515, 170955), (1965, 131805), (2175, 119079), (2525, 102573), (2727, 94975), (2929, 88425), (3275, 79083), (3537, 73225), (3799, 68175), (3915, 66155), (4545, 56985), (5895, 43935), (6525, 39693), (7575, 34191), (8787, 29475), (9825, 26361), (11397, 22725), (13231, 19575), (13635, 18995), (14645, 17685)]