40049919

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 72217600

約数和(自身を除く): 32167681

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 553, 619, 711, 819, 1027, 1659, 1857, 3081, 4333, 4977, 5571, 7189, 8047, 9243, 12999, 21567, 24141, 38997, 48901, 56329, 64701, 72423, 146703, 168987, 342307, 440109, 506961, 635713, 1026921, 1907139, 3080763, 4449991, 5721417, 13349973, 40049919]

約数ペア:

[(1, 40049919), (3, 13349973), (7, 5721417), (9, 4449991), (13, 3080763), (21, 1907139), (39, 1026921), (63, 635713), (79, 506961), (91, 440109), (117, 342307), (237, 168987), (273, 146703), (553, 72423), (619, 64701), (711, 56329), (819, 48901), (1027, 38997), (1659, 24141), (1857, 21567), (3081, 12999), (4333, 9243), (4977, 8047), (5571, 7189)]