2169585

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 4251456

約数和(自身を除く): 2081871

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 487, 495, 891, 1461, 1485, 2435, 4383, 4455, 5357, 7305, 13149, 16071, 21915, 26785, 39447, 48213, 65745, 80355, 144639, 197235, 241065, 433917, 723195, 2169585]

約数ペア:

[(1, 2169585), (3, 723195), (5, 433917), (9, 241065), (11, 197235), (15, 144639), (27, 80355), (33, 65745), (45, 48213), (55, 39447), (81, 26785), (99, 21915), (135, 16071), (165, 13149), (297, 7305), (405, 5357), (487, 4455), (495, 4383), (891, 2435), (1461, 1485)]