289487517

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4639}}^1$

素因数の和:4745

約数の個数: 32

約数和(自身を含む): 441876480

約数和(自身を除く): 152388963

約数列:

[1, 3, 11, 31, 33, 61, 93, 183, 341, 671, 1023, 1891, 2013, 4639, 5673, 13917, 20801, 51029, 62403, 143809, 153087, 282979, 431427, 848937, 1581899, 3112769, 4745697, 8772349, 9338307, 26317047, 96495839, 289487517]

約数ペア:

[(1, 289487517), (3, 96495839), (11, 26317047), (31, 9338307), (33, 8772349), (61, 4745697), (93, 3112769), (183, 1581899), (341, 848937), (671, 431427), (1023, 282979), (1891, 153087), (2013, 143809), (4639, 62403), (5673, 51029), (13917, 20801)]