201530385

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{91397}}^1$

素因数の和:91422

約数の個数: 36

約数和(自身を含む): 406355508

約数和(自身を除く): 204825123

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 91397, 274191, 456985, 639779, 822573, 1370955, 1919337, 3198895, 4112865, 4478453, 5758011, 9596685, 13435359, 22392265, 28790055, 40306077, 67176795, 201530385]

約数ペア:

[(1, 201530385), (3, 67176795), (5, 40306077), (7, 28790055), (9, 22392265), (15, 13435359), (21, 9596685), (35, 5758011), (45, 4478453), (49, 4112865), (63, 3198895), (105, 1919337), (147, 1370955), (245, 822573), (315, 639779), (441, 456985), (735, 274191), (2205, 91397)]