16198785

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 31781376

約数和(自身を除く): 15582591

約数列:

[1, 3, 5, 9, 15, 23, 27, 37, 45, 47, 69, 81, 111, 115, 135, 141, 185, 207, 235, 333, 345, 405, 423, 555, 621, 705, 851, 999, 1035, 1081, 1269, 1665, 1739, 1863, 2115, 2553, 2997, 3105, 3243, 3807, 4255, 4995, 5217, 5405, 6345, 7659, 8695, 9315, 9729, 12765, 14985, 15651, 16215, 19035, 22977, 26085, 29187, 38295, 39997, 46953, 48645, 68931, 78255, 87561, 114885, 119991, 140859, 145935, 199985, 234765, 344655, 359973, 437805, 599955, 704295, 1079919, 1799865, 3239757, 5399595, 16198785]

約数ペア:

[(1, 16198785), (3, 5399595), (5, 3239757), (9, 1799865), (15, 1079919), (23, 704295), (27, 599955), (37, 437805), (45, 359973), (47, 344655), (69, 234765), (81, 199985), (111, 145935), (115, 140859), (135, 119991), (141, 114885), (185, 87561), (207, 78255), (235, 68931), (333, 48645), (345, 46953), (405, 39997), (423, 38295), (555, 29187), (621, 26085), (705, 22977), (851, 19035), (999, 16215), (1035, 15651), (1081, 14985), (1269, 12765), (1665, 9729), (1739, 9315), (1863, 8695), (2115, 7659), (2553, 6345), (2997, 5405), (3105, 5217), (3243, 4995), (3807, 4255)]