53689725

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 54

約数和(自身を含む): 101645466

約数和(自身を除く): 47955741

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 361, 475, 661, 855, 1083, 1425, 1805, 1983, 3249, 3305, 4275, 5415, 5949, 9025, 9915, 12559, 16245, 16525, 27075, 29745, 37677, 49575, 62795, 81225, 113031, 148725, 188385, 238621, 313975, 565155, 715863, 941925, 1193105, 2147589, 2825775, 3579315, 5965525, 10737945, 17896575, 53689725]

約数ペア:

[(1, 53689725), (3, 17896575), (5, 10737945), (9, 5965525), (15, 3579315), (19, 2825775), (25, 2147589), (45, 1193105), (57, 941925), (75, 715863), (95, 565155), (171, 313975), (225, 238621), (285, 188385), (361, 148725), (475, 113031), (661, 81225), (855, 62795), (1083, 49575), (1425, 37677), (1805, 29745), (1983, 27075), (3249, 16525), (3305, 16245), (4275, 12559), (5415, 9915), (5949, 9025)]