71669745

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 146880000

約数和(自身を除く): 75210255

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 149, 189, 315, 447, 509, 745, 945, 1043, 1341, 1527, 2235, 2545, 3129, 3563, 4023, 4581, 5215, 6705, 7635, 9387, 10689, 13743, 15645, 17815, 20115, 22905, 28161, 32067, 46935, 53445, 68715, 75841, 96201, 140805, 160335, 227523, 379205, 481005, 530887, 682569, 1137615, 1592661, 2047707, 2654435, 3412845, 4777983, 7963305, 10238535, 14333949, 23889915, 71669745]

約数ペア:

[(1, 71669745), (3, 23889915), (5, 14333949), (7, 10238535), (9, 7963305), (15, 4777983), (21, 3412845), (27, 2654435), (35, 2047707), (45, 1592661), (63, 1137615), (105, 682569), (135, 530887), (149, 481005), (189, 379205), (315, 227523), (447, 160335), (509, 140805), (745, 96201), (945, 75841), (1043, 68715), (1341, 53445), (1527, 46935), (2235, 32067), (2545, 28161), (3129, 22905), (3563, 20115), (4023, 17815), (4581, 15645), (5215, 13743), (6705, 10689), (7635, 9387)]