291228207

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 436677120

約数和(自身を除く): 145448913

約数列:

[1, 3, 17, 41, 43, 51, 79, 123, 129, 237, 697, 731, 1343, 1681, 1763, 2091, 2193, 3239, 3397, 4029, 5043, 5289, 9717, 10191, 28577, 29971, 55063, 57749, 72283, 85731, 89913, 132799, 139277, 165189, 173247, 216849, 398397, 417831, 1228811, 2257583, 2367709, 3686433, 5710357, 6772749, 7103127, 17131071, 97076069, 291228207]

約数ペア:

[(1, 291228207), (3, 97076069), (17, 17131071), (41, 7103127), (43, 6772749), (51, 5710357), (79, 3686433), (123, 2367709), (129, 2257583), (237, 1228811), (697, 417831), (731, 398397), (1343, 216849), (1681, 173247), (1763, 165189), (2091, 139277), (2193, 132799), (3239, 89913), (3397, 85731), (4029, 72283), (5043, 57749), (5289, 55063), (9717, 29971), (10191, 28577)]