15665415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2671}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 27703296

約数和(自身を除く): 12037881

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 2671, 5865, 8013, 13355, 40065, 45407, 61433, 136221, 184299, 227035, 307165, 681105, 921495, 1044361, 3133083, 5221805, 15665415]

約数ペア:

[(1, 15665415), (3, 5221805), (5, 3133083), (15, 1044361), (17, 921495), (23, 681105), (51, 307165), (69, 227035), (85, 184299), (115, 136221), (255, 61433), (345, 45407), (391, 40065), (1173, 13355), (1955, 8013), (2671, 5865)]