1281570225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 2383180800

約数和(自身を除く): 1101610575

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 109, 155, 195, 325, 327, 389, 403, 465, 545, 775, 975, 1167, 1209, 1417, 1635, 1945, 2015, 2325, 2725, 3379, 4251, 5057, 5835, 6045, 7085, 8175, 9725, 10075, 10137, 12059, 15171, 16895, 21255, 25285, 29175, 30225, 35425, 36177, 42401, 43927, 50685, 60295, 75855, 84475, 106275, 126425, 127203, 131781, 156767, 180885, 212005, 219635, 253425, 301475, 379275, 470301, 551213, 636015, 658905, 783835, 904425, 1060025, 1098175, 1314431, 1653639, 2351505, 2756065, 3180075, 3294525, 3919175, 3943293, 6572155, 8268195, 11757525, 13780325, 17087603, 19716465, 32860775, 41340975, 51262809, 85438015, 98582325, 256314045, 427190075, 1281570225]

約数ペア:

[(1, 1281570225), (3, 427190075), (5, 256314045), (13, 98582325), (15, 85438015), (25, 51262809), (31, 41340975), (39, 32860775), (65, 19716465), (75, 17087603), (93, 13780325), (109, 11757525), (155, 8268195), (195, 6572155), (325, 3943293), (327, 3919175), (389, 3294525), (403, 3180075), (465, 2756065), (545, 2351505), (775, 1653639), (975, 1314431), (1167, 1098175), (1209, 1060025), (1417, 904425), (1635, 783835), (1945, 658905), (2015, 636015), (2325, 551213), (2725, 470301), (3379, 379275), (4251, 301475), (5057, 253425), (5835, 219635), (6045, 212005), (7085, 180885), (8175, 156767), (9725, 131781), (10075, 127203), (10137, 126425), (12059, 106275), (15171, 84475), (16895, 75855), (21255, 60295), (25285, 50685), (29175, 43927), (30225, 42401), (35425, 36177)]