1905851367

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{1877}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 3206241792

約数和(自身を除く): 1300390425

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 227, 497, 639, 681, 1491, 1589, 1877, 2043, 4473, 4767, 5631, 13139, 14301, 16117, 16893, 39417, 48351, 112819, 118251, 133267, 145053, 338457, 399801, 426079, 932869, 1015371, 1199403, 1278237, 2798607, 2982553, 3834711, 8395821, 8947659, 26842977, 30251609, 90754827, 211761263, 272264481, 635283789, 1905851367]

約数ペア:

[(1, 1905851367), (3, 635283789), (7, 272264481), (9, 211761263), (21, 90754827), (63, 30251609), (71, 26842977), (213, 8947659), (227, 8395821), (497, 3834711), (639, 2982553), (681, 2798607), (1491, 1278237), (1589, 1199403), (1877, 1015371), (2043, 932869), (4473, 426079), (4767, 399801), (5631, 338457), (13139, 145053), (14301, 133267), (16117, 118251), (16893, 112819), (39417, 48351)]