38456805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 31216155

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 79, 83, 85, 115, 237, 249, 255, 345, 391, 395, 415, 1173, 1185, 1245, 1343, 1411, 1817, 1909, 1955, 4029, 4233, 5451, 5727, 5865, 6557, 6715, 7055, 9085, 9545, 19671, 20145, 21165, 27255, 28635, 30889, 32453, 32785, 92667, 97359, 98355, 111469, 150811, 154445, 162265, 334407, 452433, 463335, 486795, 557345, 754055, 1672035, 2262165, 2563787, 7691361, 12818935, 38456805]

約数ペア:

[(1, 38456805), (3, 12818935), (5, 7691361), (15, 2563787), (17, 2262165), (23, 1672035), (51, 754055), (69, 557345), (79, 486795), (83, 463335), (85, 452433), (115, 334407), (237, 162265), (249, 154445), (255, 150811), (345, 111469), (391, 98355), (395, 97359), (415, 92667), (1173, 32785), (1185, 32453), (1245, 30889), (1343, 28635), (1411, 27255), (1817, 21165), (1909, 20145), (1955, 19671), (4029, 9545), (4233, 9085), (5451, 7055), (5727, 6715), (5865, 6557)]