200019915

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 366405120

約数和(自身を除く): 166385205

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 107, 135, 183, 227, 305, 321, 535, 549, 681, 915, 963, 1135, 1605, 1647, 2043, 2745, 2889, 3405, 4815, 6129, 6527, 8235, 10215, 13847, 14445, 19581, 24289, 30645, 32635, 41541, 58743, 69235, 72867, 97905, 121445, 124623, 176229, 207705, 218601, 293715, 364335, 373869, 623115, 655803, 881145, 1093005, 1481629, 1869345, 3279015, 4444887, 7408145, 13334661, 22224435, 40003983, 66673305, 200019915]

約数ペア:

[(1, 200019915), (3, 66673305), (5, 40003983), (9, 22224435), (15, 13334661), (27, 7408145), (45, 4444887), (61, 3279015), (107, 1869345), (135, 1481629), (183, 1093005), (227, 881145), (305, 655803), (321, 623115), (535, 373869), (549, 364335), (681, 293715), (915, 218601), (963, 207705), (1135, 176229), (1605, 124623), (1647, 121445), (2043, 97905), (2745, 72867), (2889, 69235), (3405, 58743), (4815, 41541), (6129, 32635), (6527, 30645), (8235, 24289), (10215, 19581), (13847, 14445)]