55261791

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 93744000

約数和(自身を除く): 38482209

約数列:

[1, 3, 9, 13, 27, 29, 39, 61, 87, 89, 117, 183, 261, 267, 351, 377, 549, 783, 793, 801, 1131, 1157, 1647, 1769, 2379, 2403, 2581, 3393, 3471, 5307, 5429, 7137, 7743, 10179, 10413, 15921, 16287, 21411, 22997, 23229, 31239, 33553, 47763, 48861, 68991, 69687, 70577, 100659, 146583, 157441, 206973, 211731, 301977, 472323, 620919, 635193, 905931, 1416969, 1905579, 2046733, 4250907, 6140199, 18420597, 55261791]

約数ペア:

[(1, 55261791), (3, 18420597), (9, 6140199), (13, 4250907), (27, 2046733), (29, 1905579), (39, 1416969), (61, 905931), (87, 635193), (89, 620919), (117, 472323), (183, 301977), (261, 211731), (267, 206973), (351, 157441), (377, 146583), (549, 100659), (783, 70577), (793, 69687), (801, 68991), (1131, 48861), (1157, 47763), (1647, 33553), (1769, 31239), (2379, 23229), (2403, 22997), (2581, 21411), (3393, 16287), (3471, 15921), (5307, 10413), (5429, 10179), (7137, 7743)]