18011007

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 32078592

約数和(自身を除く): 14067585

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 67, 119, 153, 201, 251, 357, 469, 603, 753, 1071, 1139, 1407, 1757, 2259, 3417, 4221, 4267, 5271, 7973, 10251, 12801, 15813, 16817, 23919, 29869, 38403, 50451, 71757, 89607, 117719, 151353, 268821, 285889, 353157, 857667, 1059471, 2001223, 2573001, 6003669, 18011007]

約数ペア:

[(1, 18011007), (3, 6003669), (7, 2573001), (9, 2001223), (17, 1059471), (21, 857667), (51, 353157), (63, 285889), (67, 268821), (119, 151353), (153, 117719), (201, 89607), (251, 71757), (357, 50451), (469, 38403), (603, 29869), (753, 23919), (1071, 16817), (1139, 15813), (1407, 12801), (1757, 10251), (2259, 7973), (3417, 5271), (4221, 4267)]