18137325

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 32140800

約数和(自身を除く): 14003475

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 145, 155, 269, 435, 465, 725, 775, 807, 899, 1345, 2175, 2325, 2697, 4035, 4495, 6725, 7801, 8339, 13485, 20175, 22475, 23403, 25017, 39005, 41695, 67425, 117015, 125085, 195025, 208475, 241831, 585075, 625425, 725493, 1209155, 3627465, 6045775, 18137325]

約数ペア:

[(1, 18137325), (3, 6045775), (5, 3627465), (15, 1209155), (25, 725493), (29, 625425), (31, 585075), (75, 241831), (87, 208475), (93, 195025), (145, 125085), (155, 117015), (269, 67425), (435, 41695), (465, 39005), (725, 25017), (775, 23403), (807, 22475), (899, 20175), (1345, 13485), (2175, 8339), (2325, 7801), (2697, 6725), (4035, 4495)]