394490655

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2417}}^1$

素因数の和:2478

約数の個数: 80

約数和(自身を含む): 786449664

約数和(自身を除く): 391959009

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 81, 93, 117, 135, 155, 195, 279, 351, 403, 405, 465, 585, 837, 1053, 1209, 1395, 1755, 2015, 2417, 2511, 3627, 4185, 5265, 6045, 7251, 10881, 12085, 12555, 18135, 21753, 31421, 32643, 36255, 54405, 65259, 74927, 94263, 108765, 157105, 163215, 195777, 224781, 282789, 326295, 374635, 471315, 674343, 848367, 974051, 978885, 1123905, 1413945, 2023029, 2545101, 2922153, 3371715, 4241835, 4870255, 6069087, 8766459, 10115145, 12725505, 14610765, 26299377, 30345435, 43832295, 78898131, 131496885, 394490655]

約数ペア:

[(1, 394490655), (3, 131496885), (5, 78898131), (9, 43832295), (13, 30345435), (15, 26299377), (27, 14610765), (31, 12725505), (39, 10115145), (45, 8766459), (65, 6069087), (81, 4870255), (93, 4241835), (117, 3371715), (135, 2922153), (155, 2545101), (195, 2023029), (279, 1413945), (351, 1123905), (403, 978885), (405, 974051), (465, 848367), (585, 674343), (837, 471315), (1053, 374635), (1209, 326295), (1395, 282789), (1755, 224781), (2015, 195777), (2417, 163215), (2511, 157105), (3627, 108765), (4185, 94263), (5265, 74927), (6045, 65259), (7251, 54405), (10881, 36255), (12085, 32643), (12555, 31421), (18135, 21753)]