25525005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 46194624

約数和(自身を除く): 20669619

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 113, 165, 185, 339, 407, 555, 565, 1221, 1243, 1369, 1695, 2035, 3729, 4107, 4181, 6105, 6215, 6845, 12543, 15059, 18645, 20535, 20905, 45177, 45991, 62715, 75295, 137973, 154697, 225885, 229955, 464091, 689865, 773485, 1701667, 2320455, 5105001, 8508335, 25525005]

約数ペア:

[(1, 25525005), (3, 8508335), (5, 5105001), (11, 2320455), (15, 1701667), (33, 773485), (37, 689865), (55, 464091), (111, 229955), (113, 225885), (165, 154697), (185, 137973), (339, 75295), (407, 62715), (555, 45991), (565, 45177), (1221, 20905), (1243, 20535), (1369, 18645), (1695, 15059), (2035, 12543), (3729, 6845), (4107, 6215), (4181, 6105)]