201219255

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 374400000

約数和(自身を除く): 173180745

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 103, 135, 145, 261, 309, 435, 499, 515, 783, 927, 1305, 1497, 1545, 2495, 2781, 2987, 3915, 4491, 4635, 7485, 8961, 13473, 13905, 14471, 14935, 22455, 26883, 43413, 44805, 51397, 67365, 72355, 80649, 130239, 134415, 154191, 217065, 256985, 390717, 403245, 462573, 651195, 770955, 1387719, 1490513, 1953585, 2312865, 4471539, 6938595, 7452565, 13414617, 22357695, 40243851, 67073085, 201219255]

約数ペア:

[(1, 201219255), (3, 67073085), (5, 40243851), (9, 22357695), (15, 13414617), (27, 7452565), (29, 6938595), (45, 4471539), (87, 2312865), (103, 1953585), (135, 1490513), (145, 1387719), (261, 770955), (309, 651195), (435, 462573), (499, 403245), (515, 390717), (783, 256985), (927, 217065), (1305, 154191), (1497, 134415), (1545, 130239), (2495, 80649), (2781, 72355), (2987, 67365), (3915, 51397), (4491, 44805), (4635, 43413), (7485, 26883), (8961, 22455), (13473, 14935), (13905, 14471)]