187890495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 337333248

約数和(自身を除く): 149442753

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 71, 123, 195, 205, 213, 331, 355, 533, 615, 923, 993, 1065, 1599, 1655, 2665, 2769, 2911, 4303, 4615, 4965, 7995, 8733, 12909, 13571, 13845, 14555, 21515, 23501, 37843, 40713, 43665, 64545, 67855, 70503, 113529, 117505, 176423, 189215, 203565, 305513, 352515, 529269, 567645, 882115, 916539, 963541, 1527565, 2646345, 2890623, 4582695, 4817705, 12526033, 14453115, 37578099, 62630165, 187890495]

約数ペア:

[(1, 187890495), (3, 62630165), (5, 37578099), (13, 14453115), (15, 12526033), (39, 4817705), (41, 4582695), (65, 2890623), (71, 2646345), (123, 1527565), (195, 963541), (205, 916539), (213, 882115), (331, 567645), (355, 529269), (533, 352515), (615, 305513), (923, 203565), (993, 189215), (1065, 176423), (1599, 117505), (1655, 113529), (2665, 70503), (2769, 67855), (2911, 64545), (4303, 43665), (4615, 40713), (4965, 37843), (7995, 23501), (8733, 21515), (12909, 14555), (13571, 13845)]