73503339

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 122976000

約数和(自身を除く): 49472661

約数列:

[1, 3, 7, 13, 21, 39, 91, 139, 149, 169, 273, 417, 447, 507, 973, 1043, 1183, 1807, 1937, 2919, 3129, 3549, 5421, 5811, 12649, 13559, 20711, 23491, 25181, 37947, 40677, 62133, 70473, 75543, 144977, 164437, 176267, 269243, 434931, 493311, 528801, 807729, 1884701, 3500159, 5654103, 10500477, 24501113, 73503339]

約数ペア:

[(1, 73503339), (3, 24501113), (7, 10500477), (13, 5654103), (21, 3500159), (39, 1884701), (91, 807729), (139, 528801), (149, 493311), (169, 434931), (273, 269243), (417, 176267), (447, 164437), (507, 144977), (973, 75543), (1043, 70473), (1183, 62133), (1807, 40677), (1937, 37947), (2919, 25181), (3129, 23491), (3549, 20711), (5421, 13559), (5811, 12649)]