278329065

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{1151}}^1$

素因数の和:1227

約数の個数: 64

約数和(自身を含む): 530841600

約数和(自身を除く): 252512535

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 141, 147, 235, 245, 329, 343, 705, 735, 987, 1029, 1151, 1645, 1715, 2303, 3453, 4935, 5145, 5755, 6909, 8057, 11515, 16121, 17265, 24171, 34545, 40285, 48363, 54097, 56399, 80605, 120855, 162291, 169197, 241815, 270485, 281995, 378679, 394793, 811455, 845985, 1136037, 1184379, 1893395, 1973965, 2650753, 5680185, 5921895, 7952259, 13253765, 18555271, 39761295, 55665813, 92776355, 278329065]

約数ペア:

[(1, 278329065), (3, 92776355), (5, 55665813), (7, 39761295), (15, 18555271), (21, 13253765), (35, 7952259), (47, 5921895), (49, 5680185), (105, 2650753), (141, 1973965), (147, 1893395), (235, 1184379), (245, 1136037), (329, 845985), (343, 811455), (705, 394793), (735, 378679), (987, 281995), (1029, 270485), (1151, 241815), (1645, 169197), (1715, 162291), (2303, 120855), (3453, 80605), (4935, 56399), (5145, 54097), (5755, 48363), (6909, 40285), (8057, 34545), (11515, 24171), (16121, 17265)]