188922015

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 333961056

約数和(自身を除く): 145039041

約数列:

[1, 3, 5, 9, 15, 45, 101, 197, 211, 303, 505, 591, 633, 909, 985, 1055, 1515, 1773, 1899, 2955, 3165, 4545, 8865, 9495, 19897, 21311, 41567, 59691, 63933, 99485, 106555, 124701, 179073, 191799, 207835, 298455, 319665, 374103, 623505, 895365, 958995, 1870515, 4198267, 12594801, 20991335, 37784403, 62974005, 188922015]

約数ペア:

[(1, 188922015), (3, 62974005), (5, 37784403), (9, 20991335), (15, 12594801), (45, 4198267), (101, 1870515), (197, 958995), (211, 895365), (303, 623505), (505, 374103), (591, 319665), (633, 298455), (909, 207835), (985, 191799), (1055, 179073), (1515, 124701), (1773, 106555), (1899, 99485), (2955, 63933), (3165, 59691), (4545, 41567), (8865, 21311), (9495, 19897)]