243236415

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{647}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 396389376

約数和(自身を除く): 153152961

約数列:

[1, 3, 5, 15, 71, 213, 353, 355, 647, 1059, 1065, 1765, 1941, 3235, 5295, 9705, 25063, 45937, 75189, 125315, 137811, 228391, 229685, 375945, 685173, 689055, 1141955, 3425865, 16215761, 48647283, 81078805, 243236415]

約数ペア:

[(1, 243236415), (3, 81078805), (5, 48647283), (15, 16215761), (71, 3425865), (213, 1141955), (353, 689055), (355, 685173), (647, 375945), (1059, 229685), (1065, 228391), (1765, 137811), (1941, 125315), (3235, 75189), (5295, 45937), (9705, 25063)]