151971975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1871}}^1$

素因数の和:1925

約数の個数: 54

約数和(自身を含む): 287432496

約数和(自身を除く): 135460521

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 361, 475, 855, 1083, 1425, 1805, 1871, 3249, 4275, 5415, 5613, 9025, 9355, 16245, 16839, 27075, 28065, 35549, 46775, 81225, 84195, 106647, 140325, 177745, 319941, 420975, 533235, 675431, 888725, 1599705, 2026293, 2666175, 3377155, 6078879, 7998525, 10131465, 16885775, 30394395, 50657325, 151971975]

約数ペア:

[(1, 151971975), (3, 50657325), (5, 30394395), (9, 16885775), (15, 10131465), (19, 7998525), (25, 6078879), (45, 3377155), (57, 2666175), (75, 2026293), (95, 1599705), (171, 888725), (225, 675431), (285, 533235), (361, 420975), (475, 319941), (855, 177745), (1083, 140325), (1425, 106647), (1805, 84195), (1871, 81225), (3249, 46775), (4275, 35549), (5415, 28065), (5613, 27075), (9025, 16839), (9355, 16245)]