15961869

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 29712384

約数和(自身を除く): 13750515

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 743, 1023, 1953, 2229, 2387, 3069, 5201, 6687, 7161, 8173, 15603, 21483, 23033, 24519, 46809, 57211, 69099, 73557, 161231, 171633, 207297, 253363, 483693, 514899, 760089, 1451079, 1773541, 2280267, 5320623, 15961869]

約数ペア:

[(1, 15961869), (3, 5320623), (7, 2280267), (9, 1773541), (11, 1451079), (21, 760089), (31, 514899), (33, 483693), (63, 253363), (77, 207297), (93, 171633), (99, 161231), (217, 73557), (231, 69099), (279, 57211), (341, 46809), (651, 24519), (693, 23033), (743, 21483), (1023, 15603), (1953, 8173), (2229, 7161), (2387, 6687), (3069, 5201)]