81138564

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{57791}}^1$

素因数の和:57817

約数の個数: 48

約数和(自身を含む): 226544640

約数和(自身を除く): 145406076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 57791, 115582, 173373, 231164, 346746, 520119, 693492, 751283, 1040238, 1502566, 1560357, 2080476, 2253849, 3005132, 3120714, 4507698, 6241428, 6761547, 9015396, 13523094, 20284641, 27046188, 40569282, 81138564]

約数ペア:

[(1, 81138564), (2, 40569282), (3, 27046188), (4, 20284641), (6, 13523094), (9, 9015396), (12, 6761547), (13, 6241428), (18, 4507698), (26, 3120714), (27, 3005132), (36, 2253849), (39, 2080476), (52, 1560357), (54, 1502566), (78, 1040238), (108, 751283), (117, 693492), (156, 520119), (234, 346746), (351, 231164), (468, 173373), (702, 115582), (1404, 57791)]