30390015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1493}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 51632640

約数和(自身を除く): 21242625

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1357, 1493, 4071, 4479, 6785, 7465, 20355, 22395, 34339, 88087, 103017, 171695, 264261, 440435, 515085, 1321305, 2026001, 6078003, 10130005, 30390015]

約数ペア:

[(1, 30390015), (3, 10130005), (5, 6078003), (15, 2026001), (23, 1321305), (59, 515085), (69, 440435), (115, 264261), (177, 171695), (295, 103017), (345, 88087), (885, 34339), (1357, 22395), (1493, 20355), (4071, 7465), (4479, 6785)]