30739155

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 51770880

約数和(自身を除く): 21031725

約数列:

[1, 3, 5, 15, 23, 69, 115, 139, 345, 417, 641, 695, 1923, 2085, 3197, 3205, 9591, 9615, 14743, 15985, 44229, 47955, 73715, 89099, 221145, 267297, 445495, 1336485, 2049277, 6147831, 10246385, 30739155]

約数ペア:

[(1, 30739155), (3, 10246385), (5, 6147831), (15, 2049277), (23, 1336485), (69, 445495), (115, 267297), (139, 221145), (345, 89099), (417, 73715), (641, 47955), (695, 44229), (1923, 15985), (2085, 14743), (3197, 9615), (3205, 9591)]