1276456815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2\times {\mathrm{331}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 2383312464

約数和(自身を除く): 1106855649

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 331, 355, 639, 765, 993, 1065, 1207, 1655, 2979, 3195, 3621, 4965, 5041, 5627, 6035, 10863, 14895, 15123, 16881, 18105, 23501, 25205, 28135, 45369, 50643, 54315, 70503, 75615, 84405, 85697, 117505, 211509, 226845, 253215, 257091, 352515, 399517, 428485, 771273, 1057545, 1198551, 1285455, 1668571, 1997585, 3595653, 3856365, 5005713, 5992755, 8342855, 15017139, 17978265, 25028565, 28365707, 75085695, 85097121, 141828535, 255291363, 425485605, 1276456815]

約数ペア:

[(1, 1276456815), (3, 425485605), (5, 255291363), (9, 141828535), (15, 85097121), (17, 75085695), (45, 28365707), (51, 25028565), (71, 17978265), (85, 15017139), (153, 8342855), (213, 5992755), (255, 5005713), (331, 3856365), (355, 3595653), (639, 1997585), (765, 1668571), (993, 1285455), (1065, 1198551), (1207, 1057545), (1655, 771273), (2979, 428485), (3195, 399517), (3621, 352515), (4965, 257091), (5041, 253215), (5627, 226845), (6035, 211509), (10863, 117505), (14895, 85697), (15123, 84405), (16881, 75615), (18105, 70503), (23501, 54315), (25205, 50643), (28135, 45369)]