389968623

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{449}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 637977600

約数和(自身を除く): 248008977

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 283, 341, 449, 849, 1023, 1347, 2547, 3069, 3113, 4041, 4939, 8773, 9339, 13919, 14817, 26319, 28017, 41757, 44451, 78957, 96503, 125271, 127067, 153109, 289509, 381201, 459327, 868527, 1143603, 1377981, 1397737, 3939077, 4193211, 11817231, 12579633, 35451693, 43329847, 129989541, 389968623]

約数ペア:

[(1, 389968623), (3, 129989541), (9, 43329847), (11, 35451693), (31, 12579633), (33, 11817231), (93, 4193211), (99, 3939077), (279, 1397737), (283, 1377981), (341, 1143603), (449, 868527), (849, 459327), (1023, 381201), (1347, 289509), (2547, 153109), (3069, 127067), (3113, 125271), (4041, 96503), (4939, 78957), (8773, 44451), (9339, 41757), (13919, 28017), (14817, 26319)]