18797325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 34390656

約数和(自身を除く): 15593331

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 641, 1173, 1275, 1725, 1923, 1955, 3205, 5865, 9615, 9775, 10897, 14743, 16025, 29325, 32691, 44229, 48075, 54485, 73715, 163455, 221145, 250631, 272425, 368575, 751893, 817275, 1105725, 1253155, 3759465, 6265775, 18797325]

約数ペア:

[(1, 18797325), (3, 6265775), (5, 3759465), (15, 1253155), (17, 1105725), (23, 817275), (25, 751893), (51, 368575), (69, 272425), (75, 250631), (85, 221145), (115, 163455), (255, 73715), (345, 54485), (391, 48075), (425, 44229), (575, 32691), (641, 29325), (1173, 16025), (1275, 14743), (1725, 10897), (1923, 9775), (1955, 9615), (3205, 5865)]