51730785

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 97320960

約数和(自身を除く): 45590175

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 47, 93, 135, 141, 155, 235, 263, 279, 423, 465, 705, 789, 837, 1269, 1315, 1395, 1457, 2115, 2367, 3945, 4185, 4371, 6345, 7101, 7285, 8153, 11835, 12361, 13113, 21855, 24459, 35505, 37083, 39339, 40765, 61805, 65565, 73377, 111249, 122295, 185415, 196695, 220131, 333747, 366885, 383191, 556245, 1100655, 1149573, 1668735, 1915955, 3448719, 5747865, 10346157, 17243595, 51730785]

約数ペア:

[(1, 51730785), (3, 17243595), (5, 10346157), (9, 5747865), (15, 3448719), (27, 1915955), (31, 1668735), (45, 1149573), (47, 1100655), (93, 556245), (135, 383191), (141, 366885), (155, 333747), (235, 220131), (263, 196695), (279, 185415), (423, 122295), (465, 111249), (705, 73377), (789, 65565), (837, 61805), (1269, 40765), (1315, 39339), (1395, 37083), (1457, 35505), (2115, 24459), (2367, 21855), (3945, 13113), (4185, 12361), (4371, 11835), (6345, 8153), (7101, 7285)]