201421755

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4133}}^1$

素因数の和:4185

約数の個数: 48

約数和(自身を含む): 378012960

約数和(自身を除く): 176591205

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 361, 513, 855, 1083, 1805, 2565, 3249, 4133, 5415, 9747, 12399, 16245, 20665, 37197, 48735, 61995, 78527, 111591, 185985, 235581, 392635, 557955, 706743, 1177905, 1492013, 2120229, 3533715, 4476039, 7460065, 10601145, 13428117, 22380195, 40284351, 67140585, 201421755]

約数ペア:

[(1, 201421755), (3, 67140585), (5, 40284351), (9, 22380195), (15, 13428117), (19, 10601145), (27, 7460065), (45, 4476039), (57, 3533715), (95, 2120229), (135, 1492013), (171, 1177905), (285, 706743), (361, 557955), (513, 392635), (855, 235581), (1083, 185985), (1805, 111591), (2565, 78527), (3249, 61995), (4133, 48735), (5415, 37197), (9747, 20665), (12399, 16245)]