15285975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 28212480

約数和(自身を除く): 12926505

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 631, 969, 1275, 1425, 1615, 1893, 3155, 4845, 8075, 9465, 10727, 11989, 15775, 24225, 32181, 35967, 47325, 53635, 59945, 160905, 179835, 203813, 268175, 299725, 611439, 804525, 899175, 1019065, 3057195, 5095325, 15285975]

約数ペア:

[(1, 15285975), (3, 5095325), (5, 3057195), (15, 1019065), (17, 899175), (19, 804525), (25, 611439), (51, 299725), (57, 268175), (75, 203813), (85, 179835), (95, 160905), (255, 59945), (285, 53635), (323, 47325), (425, 35967), (475, 32181), (631, 24225), (969, 15775), (1275, 11989), (1425, 10727), (1615, 9465), (1893, 8075), (3155, 4845)]