66955815

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5333}}^1$

素因数の和:5381

約数の個数: 40

約数和(自身を含む): 123919488

約数和(自身を除く): 56963673

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 5333, 12555, 15999, 26665, 47997, 79995, 143991, 165323, 239985, 431973, 495969, 719955, 826615, 1487907, 2159865, 2479845, 4463721, 7439535, 13391163, 22318605, 66955815]

約数ペア:

[(1, 66955815), (3, 22318605), (5, 13391163), (9, 7439535), (15, 4463721), (27, 2479845), (31, 2159865), (45, 1487907), (81, 826615), (93, 719955), (135, 495969), (155, 431973), (279, 239985), (405, 165323), (465, 143991), (837, 79995), (1395, 47997), (2511, 26665), (4185, 15999), (5333, 12555)]