25552275

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 52161840

約数和(自身を除く): 26609565

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 357, 409, 425, 525, 595, 735, 833, 1225, 1227, 1275, 1785, 2045, 2499, 2863, 2975, 3675, 4165, 6135, 6953, 8589, 8925, 10225, 12495, 14315, 20041, 20825, 20859, 30675, 34765, 42945, 48671, 60123, 62475, 71575, 100205, 104295, 146013, 173825, 214725, 243355, 300615, 340697, 501025, 521475, 730065, 1022091, 1216775, 1503075, 1703485, 3650325, 5110455, 8517425, 25552275]

約数ペア:

[(1, 25552275), (3, 8517425), (5, 5110455), (7, 3650325), (15, 1703485), (17, 1503075), (21, 1216775), (25, 1022091), (35, 730065), (49, 521475), (51, 501025), (75, 340697), (85, 300615), (105, 243355), (119, 214725), (147, 173825), (175, 146013), (245, 104295), (255, 100205), (357, 71575), (409, 62475), (425, 60123), (525, 48671), (595, 42945), (735, 34765), (833, 30675), (1225, 20859), (1227, 20825), (1275, 20041), (1785, 14315), (2045, 12495), (2499, 10225), (2863, 8925), (2975, 8589), (3675, 6953), (4165, 6135)]