243399247

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{733}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 310746240

約数和(自身を除く): 67346993

約数列:

[1, 7, 13, 41, 89, 91, 287, 533, 623, 733, 1157, 3649, 3731, 5131, 8099, 9529, 25543, 30053, 47437, 65237, 66703, 210371, 332059, 390689, 456659, 848081, 2674717, 2734823, 5936567, 18723019, 34771321, 243399247]

約数ペア:

[(1, 243399247), (7, 34771321), (13, 18723019), (41, 5936567), (89, 2734823), (91, 2674717), (287, 848081), (533, 456659), (623, 390689), (733, 332059), (1157, 210371), (3649, 66703), (3731, 65237), (5131, 47437), (8099, 30053), (9529, 25543)]