205855419

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2176

約数の個数: 48

約数和(自身を含む): 354191616

約数和(自身を除く): 148336197

約数列:

[1, 3, 7, 11, 21, 33, 49, 61, 77, 147, 183, 231, 427, 539, 671, 1281, 1617, 2013, 2087, 2989, 4697, 6261, 8967, 14091, 14609, 22957, 32879, 43827, 68871, 98637, 102263, 127307, 160699, 306789, 381921, 482097, 891149, 1124893, 1400377, 2673447, 3374679, 4201131, 6238043, 9802639, 18714129, 29407917, 68618473, 205855419]

約数ペア:

[(1, 205855419), (3, 68618473), (7, 29407917), (11, 18714129), (21, 9802639), (33, 6238043), (49, 4201131), (61, 3374679), (77, 2673447), (147, 1400377), (183, 1124893), (231, 891149), (427, 482097), (539, 381921), (671, 306789), (1281, 160699), (1617, 127307), (2013, 102263), (2087, 98637), (2989, 68871), (4697, 43827), (6261, 32879), (8967, 22957), (14091, 14609)]