30238767

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 52049088

約数和(自身を除く): 21810321

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 661, 663, 897, 1173, 1983, 1989, 2691, 3519, 5083, 5949, 8593, 11237, 15203, 15249, 25779, 33711, 45609, 45747, 77337, 101133, 136827, 146081, 197639, 258451, 438243, 592917, 775353, 1314729, 1778751, 2326059, 3359863, 10079589, 30238767]

約数ペア:

[(1, 30238767), (3, 10079589), (9, 3359863), (13, 2326059), (17, 1778751), (23, 1314729), (39, 775353), (51, 592917), (69, 438243), (117, 258451), (153, 197639), (207, 146081), (221, 136827), (299, 101133), (391, 77337), (661, 45747), (663, 45609), (897, 33711), (1173, 25779), (1983, 15249), (1989, 15203), (2691, 11237), (3519, 8593), (5083, 5949)]