247491153

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{383}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 454164480

約数和(自身を除く): 206673327

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 263, 273, 351, 383, 789, 819, 1149, 1841, 2367, 2457, 2681, 3419, 3447, 4979, 5523, 7101, 8043, 10257, 10341, 14937, 16569, 23933, 24129, 30771, 34853, 44811, 49707, 71799, 72387, 92313, 100729, 104559, 134433, 215397, 302187, 313677, 646191, 705103, 906561, 941031, 1309477, 2115309, 2719683, 3928431, 6345927, 9166339, 11785293, 19037781, 27499017, 35355879, 82497051, 247491153]

約数ペア:

[(1, 247491153), (3, 82497051), (7, 35355879), (9, 27499017), (13, 19037781), (21, 11785293), (27, 9166339), (39, 6345927), (63, 3928431), (91, 2719683), (117, 2115309), (189, 1309477), (263, 941031), (273, 906561), (351, 705103), (383, 646191), (789, 313677), (819, 302187), (1149, 215397), (1841, 134433), (2367, 104559), (2457, 100729), (2681, 92313), (3419, 72387), (3447, 71799), (4979, 49707), (5523, 44811), (7101, 34853), (8043, 30771), (10257, 24129), (10341, 23933), (14937, 16569)]