64490751

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 105487200

約数和(自身を除く): 40996449

約数列:

[1, 3, 9, 13, 29, 39, 83, 87, 117, 229, 249, 261, 377, 687, 747, 1079, 1131, 2061, 2407, 2977, 3237, 3393, 6641, 7221, 8931, 9711, 19007, 19923, 21663, 26793, 31291, 57021, 59769, 86333, 93873, 171063, 247091, 258999, 281619, 551203, 741273, 776997, 1653609, 2223819, 4960827, 7165639, 21496917, 64490751]

約数ペア:

[(1, 64490751), (3, 21496917), (9, 7165639), (13, 4960827), (29, 2223819), (39, 1653609), (83, 776997), (87, 741273), (117, 551203), (229, 281619), (249, 258999), (261, 247091), (377, 171063), (687, 93873), (747, 86333), (1079, 59769), (1131, 57021), (2061, 31291), (2407, 26793), (2977, 21663), (3237, 19923), (3393, 19007), (6641, 9711), (7221, 8931)]