78007005

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 140774400

約数和(自身を除く): 62767395

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 199, 279, 281, 465, 597, 843, 995, 1395, 1405, 1791, 2529, 2985, 4215, 6169, 8711, 8955, 12645, 18507, 26133, 30845, 43555, 55521, 55919, 78399, 92535, 130665, 167757, 277605, 279595, 391995, 503271, 838785, 1733489, 2516355, 5200467, 8667445, 15601401, 26002335, 78007005]

約数ペア:

[(1, 78007005), (3, 26002335), (5, 15601401), (9, 8667445), (15, 5200467), (31, 2516355), (45, 1733489), (93, 838785), (155, 503271), (199, 391995), (279, 279595), (281, 277605), (465, 167757), (597, 130665), (843, 92535), (995, 78399), (1395, 55919), (1405, 55521), (1791, 43555), (2529, 30845), (2985, 26133), (4215, 18507), (6169, 12645), (8711, 8955)]