747747

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 1467648

約数和(自身を除く): 719901

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 83, 91, 99, 117, 143, 231, 249, 273, 429, 581, 693, 747, 819, 913, 1001, 1079, 1287, 1743, 2739, 3003, 3237, 5229, 6391, 7553, 8217, 9009, 9711, 11869, 19173, 22659, 35607, 57519, 67977, 83083, 106821, 249249, 747747]

約数ペア:

[(1, 747747), (3, 249249), (7, 106821), (9, 83083), (11, 67977), (13, 57519), (21, 35607), (33, 22659), (39, 19173), (63, 11869), (77, 9711), (83, 9009), (91, 8217), (99, 7553), (117, 6391), (143, 5229), (231, 3237), (249, 3003), (273, 2739), (429, 1743), (581, 1287), (693, 1079), (747, 1001), (819, 913)]