172880715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 335232000

約数和(自身を除く): 162351285

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 193, 285, 399, 449, 579, 665, 965, 1347, 1351, 1995, 2245, 2895, 3143, 3667, 4053, 6735, 6755, 8531, 9429, 11001, 15715, 18335, 20265, 25593, 25669, 42655, 47145, 55005, 59717, 77007, 86657, 127965, 128345, 179151, 259971, 298585, 385035, 433285, 606599, 895755, 1299855, 1646483, 1819797, 3032995, 4939449, 8232415, 9098985, 11525381, 24697245, 34576143, 57626905, 172880715]

約数ペア:

[(1, 172880715), (3, 57626905), (5, 34576143), (7, 24697245), (15, 11525381), (19, 9098985), (21, 8232415), (35, 4939449), (57, 3032995), (95, 1819797), (105, 1646483), (133, 1299855), (193, 895755), (285, 606599), (399, 433285), (449, 385035), (579, 298585), (665, 259971), (965, 179151), (1347, 128345), (1351, 127965), (1995, 86657), (2245, 77007), (2895, 59717), (3143, 55005), (3667, 47145), (4053, 42655), (6735, 25669), (6755, 25593), (8531, 20265), (9429, 18335), (11001, 15715)]