987777297

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1\times {\mathrm{619}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 1608647040

約数和(自身を除く): 620869743

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 593, 619, 897, 1779, 1857, 2691, 5337, 5571, 7709, 8047, 13639, 14237, 23127, 24141, 40917, 42711, 69381, 72423, 122751, 128133, 177307, 185081, 367067, 531921, 555243, 1101201, 1595763, 1665729, 3303603, 4771871, 8442541, 14315613, 25327623, 42946839, 75982869, 109753033, 329259099, 987777297]

約数ペア:

[(1, 987777297), (3, 329259099), (9, 109753033), (13, 75982869), (23, 42946839), (39, 25327623), (69, 14315613), (117, 8442541), (207, 4771871), (299, 3303603), (593, 1665729), (619, 1595763), (897, 1101201), (1779, 555243), (1857, 531921), (2691, 367067), (5337, 185081), (5571, 177307), (7709, 128133), (8047, 122751), (13639, 72423), (14237, 69381), (23127, 42711), (24141, 40917)]