139603575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 245984256

約数和(自身を除く): 106380681

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 223, 255, 425, 491, 669, 1115, 1275, 1473, 2455, 3345, 3791, 5575, 7365, 8347, 11373, 12275, 16725, 18955, 25041, 36825, 41735, 56865, 94775, 109493, 125205, 208675, 284325, 328479, 547465, 626025, 1642395, 1861381, 2737325, 5584143, 8211975, 9306905, 27920715, 46534525, 139603575]

約数ペア:

[(1, 139603575), (3, 46534525), (5, 27920715), (15, 9306905), (17, 8211975), (25, 5584143), (51, 2737325), (75, 1861381), (85, 1642395), (223, 626025), (255, 547465), (425, 328479), (491, 284325), (669, 208675), (1115, 125205), (1275, 109493), (1473, 94775), (2455, 56865), (3345, 41735), (3791, 36825), (5575, 25041), (7365, 18955), (8347, 16725), (11373, 12275)]