1520921415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{541}}^1\times {\mathrm{1109}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 2642315040

約数和(自身を除く): 1121393625

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 541, 845, 1109, 1623, 2535, 2705, 3327, 5545, 7033, 8115, 14417, 16635, 21099, 35165, 43251, 72085, 91429, 105495, 187421, 216255, 274287, 457145, 562263, 599969, 937105, 1371435, 1799907, 2811315, 2999845, 7799597, 8999535, 23398791, 38997985, 101394761, 116993955, 304184283, 506973805, 1520921415]

約数ペア:

[(1, 1520921415), (3, 506973805), (5, 304184283), (13, 116993955), (15, 101394761), (39, 38997985), (65, 23398791), (169, 8999535), (195, 7799597), (507, 2999845), (541, 2811315), (845, 1799907), (1109, 1371435), (1623, 937105), (2535, 599969), (2705, 562263), (3327, 457145), (5545, 274287), (7033, 216255), (8115, 187421), (14417, 105495), (16635, 91429), (21099, 72085), (35165, 43251)]