165770361

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 270336000

約数和(自身を除く): 104565639

約数列:

[1, 3, 9, 23, 27, 31, 69, 79, 93, 109, 207, 237, 279, 327, 621, 711, 713, 837, 981, 1817, 2133, 2139, 2449, 2507, 2943, 3379, 5451, 6417, 7347, 7521, 8611, 10137, 16353, 19251, 22041, 22563, 25833, 30411, 49059, 56327, 66123, 67689, 77499, 77717, 91233, 168981, 198053, 232497, 233151, 266941, 506943, 594159, 699453, 800823, 1520829, 1782477, 2098359, 2402469, 5347431, 6139643, 7207407, 18418929, 55256787, 165770361]

約数ペア:

[(1, 165770361), (3, 55256787), (9, 18418929), (23, 7207407), (27, 6139643), (31, 5347431), (69, 2402469), (79, 2098359), (93, 1782477), (109, 1520829), (207, 800823), (237, 699453), (279, 594159), (327, 506943), (621, 266941), (711, 233151), (713, 232497), (837, 198053), (981, 168981), (1817, 91233), (2133, 77717), (2139, 77499), (2449, 67689), (2507, 66123), (2943, 56327), (3379, 49059), (5451, 30411), (6417, 25833), (7347, 22563), (7521, 22041), (8611, 19251), (10137, 16353)]