28640175

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{16603}}^1$

素因数の和:16639

約数の個数: 24

約数和(自身を含む): 49413504

約数和(自身を除く): 20773329

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 16603, 49809, 83015, 249045, 381869, 415075, 1145607, 1245225, 1909345, 5728035, 9546725, 28640175]

約数ペア:

[(1, 28640175), (3, 9546725), (5, 5728035), (15, 1909345), (23, 1245225), (25, 1145607), (69, 415075), (75, 381869), (115, 249045), (345, 83015), (575, 49809), (1725, 16603)]