2808135

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 64

約数和(自身を含む): 5713920

約数和(自身を除く): 2905785

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 61, 93, 99, 135, 155, 165, 183, 279, 297, 305, 341, 465, 495, 549, 671, 837, 915, 1023, 1395, 1485, 1647, 1705, 1891, 2013, 2745, 3069, 3355, 4185, 5115, 5673, 6039, 8235, 9207, 9455, 10065, 15345, 17019, 18117, 20801, 28365, 30195, 46035, 51057, 62403, 85095, 90585, 104005, 187209, 255285, 312015, 561627, 936045, 2808135]

約数ペア:

[(1, 2808135), (3, 936045), (5, 561627), (9, 312015), (11, 255285), (15, 187209), (27, 104005), (31, 90585), (33, 85095), (45, 62403), (55, 51057), (61, 46035), (93, 30195), (99, 28365), (135, 20801), (155, 18117), (165, 17019), (183, 15345), (279, 10065), (297, 9455), (305, 9207), (341, 8235), (465, 6039), (495, 5673), (549, 5115), (671, 4185), (837, 3355), (915, 3069), (1023, 2745), (1395, 2013), (1485, 1891), (1647, 1705)]