199131495

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{16249}}^1$

素因数の和:16319

約数の個数: 32

約数和(自身を含む): 343200000

約数和(自身を除く): 144068505

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2451, 4085, 12255, 16249, 48747, 81245, 243735, 308731, 698707, 926193, 1543655, 2096121, 3493535, 4630965, 10480605, 13275433, 39826299, 66377165, 199131495]

約数ペア:

[(1, 199131495), (3, 66377165), (5, 39826299), (15, 13275433), (19, 10480605), (43, 4630965), (57, 3493535), (95, 2096121), (129, 1543655), (215, 926193), (285, 698707), (645, 308731), (817, 243735), (2451, 81245), (4085, 48747), (12255, 16249)]