78816285

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 143589888

約数和(自身を除く): 64773603

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 271, 281, 345, 813, 843, 1035, 1355, 1405, 2439, 2529, 4065, 4215, 6233, 6463, 12195, 12645, 18699, 19389, 31165, 32315, 56097, 58167, 76151, 93495, 96945, 228453, 280485, 290835, 380755, 685359, 1142265, 1751473, 3426795, 5254419, 8757365, 15763257, 26272095, 78816285]

約数ペア:

[(1, 78816285), (3, 26272095), (5, 15763257), (9, 8757365), (15, 5254419), (23, 3426795), (45, 1751473), (69, 1142265), (115, 685359), (207, 380755), (271, 290835), (281, 280485), (345, 228453), (813, 96945), (843, 93495), (1035, 76151), (1355, 58167), (1405, 56097), (2439, 32315), (2529, 31165), (4065, 19389), (4215, 18699), (6233, 12645), (6463, 12195)]